3x=3x+2(4-5x)

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Solution for 3x=3x+2(4-5x) equation:



3x=3x+2(4-5x)
We move all terms to the left:
3x-(3x+2(4-5x))=0
We add all the numbers together, and all the variables
3x-(3x+2(-5x+4))=0
We calculate terms in parentheses: -(3x+2(-5x+4)), so:
3x+2(-5x+4)
We multiply parentheses
3x-10x+8
We add all the numbers together, and all the variables
-7x+8
Back to the equation:
-(-7x+8)
We get rid of parentheses
3x+7x-8=0
We add all the numbers together, and all the variables
10x-8=0
We move all terms containing x to the left, all other terms to the right
10x=8
x=8/10
x=4/5

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