Solve for y
y=5
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3y-7=\frac{16}{2}
Divide both sides by 2.
3y-7=8
Divide 16 by 2 to get 8.
3y=8+7
Add 7 to both sides.
3y=15
Add 8 and 7 to get 15.
y=\frac{15}{3}
Divide both sides by 3.
y=5
Divide 15 by 3 to get 5.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
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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