07-10-2014
Mathematics

contestada

Solve: 2a+2b=c for b. Help me solve this, and thanks if you try.

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cjbuckleyuk cjbuckleyuk

07-10-2014

2a+2b=c make b the subject
(-2a) from both sides
2b=c-2a
Divide by 2 both sides
b=(c-2a)/2

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07-10-2014

[tex]2a+2b=c \\ 2b=c-2a \\ b=\frac{c-2a}{2} = \frac{c}{2} - \frac{2a}{2}=\underline{\underline{\frac{1}{2}c-a}}[/tex]

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