Solve for y
y=-4
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6y+9-2y=-7
Subtract 2y from both sides.
4y+9=-7
Combine 6y and -2y to get 4y.
4y=-7-9
Subtract 9 from both sides.
4y=-16
Subtract 9 from -7 to get -16.
y=\frac{-16}{4}
Divide both sides by 4.
y=-4
Divide -16 by 4 to get -4.
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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