Solve for a
a=\frac{1-5y}{3}
Solve for y
y=\frac{1-3a}{5}
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6+3a+5y=7
Use the distributive property to multiply 3 by 2+a.
3a+5y=7-6
Subtract 6 from both sides.
3a+5y=1
Subtract 6 from 7 to get 1.
3a=1-5y
Subtract 5y from both sides.
\frac{3a}{3}=\frac{1-5y}{3}
Divide both sides by 3.
a=\frac{1-5y}{3}
Dividing by 3 undoes the multiplication by 3.
6+3a+5y=7
Use the distributive property to multiply 3 by 2+a.
3a+5y=7-6
Subtract 6 from both sides.
3a+5y=1
Subtract 6 from 7 to get 1.
5y=1-3a
Subtract 3a from both sides.
\frac{5y}{5}=\frac{1-3a}{5}
Divide both sides by 5.
y=\frac{1-3a}{5}
Dividing by 5 undoes the multiplication by 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}