adrianne16 adrianne16

23-09-2014
Mathematics

Answered

1/2(4a+10b) = c solve for b

Answer :

mariamikayla mariamikayla

23-09-2014

[tex]\frac{1}{2}(4a+10b)=c \\\\ \frac{1}{2}*2(2a+5b)=c \\\\ 2a+5b=c \\\\ 5b=c-2a \\\\ \boxed{b=\frac{c-2a}{5}}[/tex]

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23-09-2014

1/2 (4a + 10b) = c

Multiply each side by 2 : 4a + 10b = 2c

Subtract 4a from each side: 10b = 2c - 4a

Divide each side by 10 : b = 1/5 c - 2/5 a

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