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30x+15=3(8-2x)-2
We move all terms to the left:
30x+15-(3(8-2x)-2)=0
We add all the numbers together, and all the variables
30x-(3(-2x+8)-2)+15=0
We calculate terms in parentheses: -(3(-2x+8)-2), so:We get rid of parentheses
3(-2x+8)-2
We multiply parentheses
-6x+24-2
We add all the numbers together, and all the variables
-6x+22
Back to the equation:
-(-6x+22)
30x+6x-22+15=0
We add all the numbers together, and all the variables
36x-7=0
We move all terms containing x to the left, all other terms to the right
36x=7
x=7/36
x=7/36
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