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2(4x+15)-4=5x+6.9-3x
We move all terms to the left:
2(4x+15)-4-(5x+6.9-3x)=0
We add all the numbers together, and all the variables
2(4x+15)-(2x+6.9)-4=0
We multiply parentheses
8x-(2x+6.9)+30-4=0
We get rid of parentheses
8x-2x-6.9+30-4=0
We add all the numbers together, and all the variables
6x+19.1=0
We move all terms containing x to the left, all other terms to the right
6x=-19.1
x=-19.1/6
x=-3+1/5.4545454545454
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