Solve for y
y=12
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y≔12
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y=-2-\left(-14\right)
Multiply 7 and -2 to get -14.
y=-2+14
The opposite of -14 is 14.
y=12
Add -2 and 14 to get 12.
Examples
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Linear equation
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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 ) }
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Limits
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