Solve for b
b = -\frac{7}{6} = -1\frac{1}{6} \approx -1.166666667
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\frac{3}{2}=\frac{4\times 2}{3}+b
Express \frac{4}{3}\times 2 as a single fraction.
\frac{3}{2}=\frac{8}{3}+b
Multiply 4 and 2 to get 8.
\frac{8}{3}+b=\frac{3}{2}
Swap sides so that all variable terms are on the left hand side.
b=\frac{3}{2}-\frac{8}{3}
Subtract \frac{8}{3} from both sides.
b=\frac{9}{6}-\frac{16}{6}
Least common multiple of 2 and 3 is 6. Convert \frac{3}{2} and \frac{8}{3} to fractions with denominator 6.
b=\frac{9-16}{6}
Since \frac{9}{6} and \frac{16}{6} have the same denominator, subtract them by subtracting their numerators.
b=-\frac{7}{6}
Subtract 16 from 9 to get -7.
Examples
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Linear equation
y = 3x + 4
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Matrix
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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
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Limits
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