10x-(2x+9)=-3(-15-4x)

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Solution for 10x-(2x+9)=-3(-15-4x) equation:



10x-(2x+9)=-3(-15-4x)
We move all terms to the left:
10x-(2x+9)-(-3(-15-4x))=0
We add all the numbers together, and all the variables
10x-(2x+9)-(-3(-4x-15))=0
We get rid of parentheses
10x-2x-(-3(-4x-15))-9=0
We calculate terms in parentheses: -(-3(-4x-15)), so:
-3(-4x-15)
We multiply parentheses
12x+45
Back to the equation:
-(12x+45)
We add all the numbers together, and all the variables
8x-(12x+45)-9=0
We get rid of parentheses
8x-12x-45-9=0
We add all the numbers together, and all the variables
-4x-54=0
We move all terms containing x to the left, all other terms to the right
-4x=54
x=54/-4
x=-13+1/2

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