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OpenStudy (anonymous):
I cant figuire this out its blowing my mind x + (2x – 10) + 1/2 (2x – 10) = 145 Answers: -30 -35 -40 -45
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OpenStudy (mertsj):
\[x+2x-10+\frac{1}{2}(2x-10)=145\]
OpenStudy (mertsj):
Add x + 2x and remove the parentheses by multiplying by 1/2
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