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5(2x+9)=27+12
We move all terms to the left:
5(2x+9)-(27+12)=0
We add all the numbers together, and all the variables
5(2x+9)-39=0
We multiply parentheses
10x+45-39=0
We add all the numbers together, and all the variables
10x+6=0
We move all terms containing x to the left, all other terms to the right
10x=-6
x=-6/10
x=-3/5
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