Solve for y
y=-2
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5y-2-y=-10
Subtract y from both sides.
4y-2=-10
Combine 5y and -y to get 4y.
4y=-10+2
Add 2 to both sides.
4y=-8
Add -10 and 2 to get -8.
y=\frac{-8}{4}
Divide both sides by 4.
y=-2
Divide -8 by 4 to get -2.
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
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
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