Solve for y
y=-7
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y≔-7
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y=\frac{2\left(-7\right)}{7}-5
Express \frac{2}{7}\left(-7\right) as a single fraction.
y=\frac{-14}{7}-5
Multiply 2 and -7 to get -14.
y=-2-5
Divide -14 by 7 to get -2.
y=-7
Subtract 5 from -2 to get -7.
Examples
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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
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Limits
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