Solve for x
x=5
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\frac{\left(\frac{7}{12}+\frac{11}{30}x\right)\times 4}{7\times 4+1}=\frac{1}{3}
Divide \frac{7}{12}+\frac{11}{30}x by \frac{7\times 4+1}{4} by multiplying \frac{7}{12}+\frac{11}{30}x by the reciprocal of \frac{7\times 4+1}{4}.
\frac{\left(\frac{7}{12}+\frac{11}{30}x\right)\times 4}{28+1}=\frac{1}{3}
Multiply 7 and 4 to get 28.
\frac{\left(\frac{7}{12}+\frac{11}{30}x\right)\times 4}{29}=\frac{1}{3}
Add 28 and 1 to get 29.
\frac{\frac{7}{12}\times 4+\frac{11}{30}x\times 4}{29}=\frac{1}{3}
Use the distributive property to multiply \frac{7}{12}+\frac{11}{30}x by 4.
\frac{\frac{7\times 4}{12}+\frac{11}{30}x\times 4}{29}=\frac{1}{3}
Express \frac{7}{12}\times 4 as a single fraction.
\frac{\frac{28}{12}+\frac{11}{30}x\times 4}{29}=\frac{1}{3}
Multiply 7 and 4 to get 28.
\frac{\frac{7}{3}+\frac{11}{30}x\times 4}{29}=\frac{1}{3}
Reduce the fraction \frac{28}{12} to lowest terms by extracting and canceling out 4.
\frac{\frac{7}{3}+\frac{11\times 4}{30}x}{29}=\frac{1}{3}
Express \frac{11}{30}\times 4 as a single fraction.
\frac{\frac{7}{3}+\frac{44}{30}x}{29}=\frac{1}{3}
Multiply 11 and 4 to get 44.
\frac{\frac{7}{3}+\frac{22}{15}x}{29}=\frac{1}{3}
Reduce the fraction \frac{44}{30} to lowest terms by extracting and canceling out 2.
\frac{7}{87}+\frac{22}{435}x=\frac{1}{3}
Divide each term of \frac{7}{3}+\frac{22}{15}x by 29 to get \frac{7}{87}+\frac{22}{435}x.
\frac{22}{435}x=\frac{1}{3}-\frac{7}{87}
Subtract \frac{7}{87} from both sides.
\frac{22}{435}x=\frac{29}{87}-\frac{7}{87}
Least common multiple of 3 and 87 is 87. Convert \frac{1}{3} and \frac{7}{87} to fractions with denominator 87.
\frac{22}{435}x=\frac{29-7}{87}
Since \frac{29}{87} and \frac{7}{87} have the same denominator, subtract them by subtracting their numerators.
\frac{22}{435}x=\frac{22}{87}
Subtract 7 from 29 to get 22.
x=\frac{22}{87}\times \frac{435}{22}
Multiply both sides by \frac{435}{22}, the reciprocal of \frac{22}{435}.
x=\frac{22\times 435}{87\times 22}
Multiply \frac{22}{87} times \frac{435}{22} by multiplying numerator times numerator and denominator times denominator.
x=\frac{435}{87}
Cancel out 22 in both numerator and denominator.
x=5
Divide 435 by 87 to get 5.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
699 * 533
Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}