Solve for y
y=-2
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y=4+3y
Multiply 2 and 2 to get 4.
y-3y=4
Subtract 3y from both sides.
-2y=4
Combine y and -3y to get -2y.
y=\frac{4}{-2}
Divide both sides by -2.
y=-2
Divide 4 by -2 to get -2.
Examples
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4 \sin \theta \cos \theta = 2 \sin \theta
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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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