Solve for x
x=5
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0.09-0.01x-0.02=-0.02\left(4-x\right)
Use the distributive property to multiply -0.01 by x+2.
0.07-0.01x=-0.02\left(4-x\right)
Subtract 0.02 from 0.09 to get 0.07.
0.07-0.01x=-0.08+0.02x
Use the distributive property to multiply -0.02 by 4-x.
0.07-0.01x-0.02x=-0.08
Subtract 0.02x from both sides.
0.07-0.03x=-0.08
Combine -0.01x and -0.02x to get -0.03x.
-0.03x=-0.08-0.07
Subtract 0.07 from both sides.
-0.03x=-0.15
Subtract 0.07 from -0.08 to get -0.15.
x=\frac{-0.15}{-0.03}
Divide both sides by -0.03.
x=\frac{-15}{-3}
Expand \frac{-0.15}{-0.03} by multiplying both numerator and the denominator by 100.
x=5
Divide -15 by -3 to get 5.
Examples
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{ 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}