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6.5x+2(20-x)=3.5(20)
We move all terms to the left:
6.5x+2(20-x)-(3.5(20))=0
We add all the numbers together, and all the variables
6.5x+2(-1x+20)-(3.52)=0
We add all the numbers together, and all the variables
6.5x+2(-1x+20)-3.52=0
We multiply parentheses
6.5x-2x+40-3.52=0
We add all the numbers together, and all the variables
4.5x+36.48=0
We move all terms containing x to the left, all other terms to the right
4.5x=-36.48
x=-36.48/4.5
x=-8+0.48/4.5
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