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4x+7(30-x)=6.5(3)
We move all terms to the left:
4x+7(30-x)-(6.5(3))=0
We add all the numbers together, and all the variables
4x+7(-1x+30)-(6.53)=0
We add all the numbers together, and all the variables
4x+7(-1x+30)-6.53=0
We multiply parentheses
4x-7x+210-6.53=0
We add all the numbers together, and all the variables
-3x+203.47=0
We move all terms containing x to the left, all other terms to the right
-3x=-203.47
x=-203.47/-3
x=67+2.47/3
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