Solve for a
a=-\frac{5b}{2}+1
Solve for b
b=\frac{2-2a}{5}
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b-2a+2=6b
Multiply both sides of the equation by 2.
-2a+2=6b-b
Subtract b from both sides.
-2a+2=5b
Combine 6b and -b to get 5b.
-2a=5b-2
Subtract 2 from both sides.
\frac{-2a}{-2}=\frac{5b-2}{-2}
Divide both sides by -2.
a=\frac{5b-2}{-2}
Dividing by -2 undoes the multiplication by -2.
a=-\frac{5b}{2}+1
Divide 5b-2 by -2.
b-2a+2=6b
Multiply both sides of the equation by 2.
b-2a+2-6b=0
Subtract 6b from both sides.
-5b-2a+2=0
Combine b and -6b to get -5b.
-5b+2=2a
Add 2a to both sides. Anything plus zero gives itself.
-5b=2a-2
Subtract 2 from both sides.
\frac{-5b}{-5}=\frac{2a-2}{-5}
Divide both sides by -5.
b=\frac{2a-2}{-5}
Dividing by -5 undoes the multiplication by -5.
b=\frac{2-2a}{5}
Divide -2+2a by -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}