Solve for r
r=-1
Quiz
Linear Equation
5 problems similar to:
\frac { 1 } { 2 } + \frac { r } { 7 } = \frac { 5 } { 14 }
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7+2r=5
Multiply both sides of the equation by 14, the least common multiple of 2,7,14.
2r=5-7
Subtract 7 from both sides.
2r=-2
Subtract 7 from 5 to get -2.
r=\frac{-2}{2}
Divide both sides by 2.
r=-1
Divide -2 by 2 to get -1.
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