Solve for y
y=\frac{1}{3}\approx 0.333333333
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4-3=3y
Variable y cannot be equal to 0 since division by zero is not defined. Multiply both sides of the equation by 3y, the least common multiple of 3y,y.
1=3y
Subtract 3 from 4 to get 1.
3y=1
Swap sides so that all variable terms are on the left hand side.
y=\frac{1}{3}
Divide both sides by 3.
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