Solve for y
y=0
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Linear Equation
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\frac { 1 } { 2 } 4 - \frac { 2 } { 1 } = \frac { 1 } { 3 } y
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\frac{4}{2}-\frac{2}{1}=\frac{1}{3}y
Multiply \frac{1}{2} and 4 to get \frac{4}{2}.
2-\frac{2}{1}=\frac{1}{3}y
Divide 4 by 2 to get 2.
2-2=\frac{1}{3}y
Anything divided by one gives itself.
0=\frac{1}{3}y
Subtract 2 from 2 to get 0.
\frac{1}{3}y=0
Swap sides so that all variable terms are on the left hand side.
y=0
Product of two numbers is equal to 0 if at least one of them is 0. Since \frac{1}{3} is not equal to 0, y must be equal to 0.
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