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8(x+1)+4=-10(x-2)-7
We move all terms to the left:
8(x+1)+4-(-10(x-2)-7)=0
We multiply parentheses
8x-(-10(x-2)-7)+8+4=0
We calculate terms in parentheses: -(-10(x-2)-7), so:We add all the numbers together, and all the variables
-10(x-2)-7
We multiply parentheses
-10x+20-7
We add all the numbers together, and all the variables
-10x+13
Back to the equation:
-(-10x+13)
8x-(-10x+13)+12=0
We get rid of parentheses
8x+10x-13+12=0
We add all the numbers together, and all the variables
18x-1=0
We move all terms containing x to the left, all other terms to the right
18x=1
x=1/18
x=1/18
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