Solve for y
y=-14
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2y+28=0
Multiply 4 and 7 to get 28.
2y=-28
Subtract 28 from both sides. Anything subtracted from zero gives its negation.
y=\frac{-28}{2}
Divide both sides by 2.
y=-14
Divide -28 by 2 to get -14.
Examples
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Matrix
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Simultaneous equation
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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Limits
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