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Dmitry_Shevchenko [17]
3 years ago
11

1/2(4a+10b) = c      solve for b 

Mathematics
2 answers:
r-ruslan [8.4K]3 years ago
7 0
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 
Shalnov [3]3 years ago
5 0
\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}}
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