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Solve for b
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Solve for a
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a+c=c\times 2b
Variable b cannot be equal to 0 since division by zero is not defined. Multiply both sides of the equation by 2b.
c\times 2b=a+c
Swap sides so that all variable terms are on the left hand side.
2cb=a+c
The equation is in standard form.
\frac{2cb}{2c}=\frac{a+c}{2c}
Divide both sides by 2c.
b=\frac{a+c}{2c}
Dividing by 2c undoes the multiplication by 2c.
b=\frac{a+c}{2c}\text{, }b\neq 0
Variable b cannot be equal to 0.