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.25(10x+30)=6x+7
We move all terms to the left:
.25(10x+30)-(6x+7)=0
We multiply parentheses
2.5x-(6x+7)+7.5=0
We get rid of parentheses
2.5x-6x-7+7.5=0
We add all the numbers together, and all the variables
-3.5x+0.5=0
We move all terms containing x to the left, all other terms to the right
-3.5x=-0.5
x=-0.5/-3.5
x=0.5/3.5
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