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3(2x-5)-2(7x+9)=-49
We move all terms to the left:
3(2x-5)-2(7x+9)-(-49)=0
We add all the numbers together, and all the variables
3(2x-5)-2(7x+9)+49=0
We multiply parentheses
6x-14x-15-18+49=0
We add all the numbers together, and all the variables
-8x+16=0
We move all terms containing x to the left, all other terms to the right
-8x=-16
x=-16/-8
x=+2
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