Solve for y
y=120
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4y-3y=120
Multiply both sides of the equation by 120, the least common multiple of 30,40.
y=120
Combine 4y and -3y to get y.
Examples
Quadratic equation
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4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
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Matrix
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Simultaneous equation
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Limits
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