Step-by-step explanation:
a=<u>bx + cx</u>
2
2*a=<u>x(b+c)</u>*2
<u>2a</u> = <u>x(b+c)</u>
(b+c) (b+c)
<u>2a</u> = x
(b+c)
Answer:
x=-1/7
40
i solved for you
hope it helped! ;)
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