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0.49(2-q)=0.2(q+7)
We move all terms to the left:
0.49(2-q)-(0.2(q+7))=0
We add all the numbers together, and all the variables
0.49(-1q+2)-(0.2(q+7))=0
We multiply parentheses
-0.49q-(0.2(q+7))+0.98=0
We calculate terms in parentheses: -(0.2(q+7)), so:We get rid of parentheses
0.2(q+7)
We multiply parentheses
0.2q+1.4
Back to the equation:
-(0.2q+1.4)
-0.49q-0.2q-1.4+0.98=0
We add all the numbers together, and all the variables
-0.69q-0.42=0
We move all terms containing q to the left, all other terms to the right
-0.69q=0.42
q=0.42/-0.69
q=-0.42/0.69
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