13+7=-4(2x-5)

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Solution for 13+7=-4(2x-5) equation:



13+7=-4(2x-5)
We move all terms to the left:
13+7-(-4(2x-5))=0
We add all the numbers together, and all the variables
-(-4(2x-5))+20=0
We calculate terms in parentheses: -(-4(2x-5)), so:
-4(2x-5)
We multiply parentheses
-8x+20
Back to the equation:
-(-8x+20)
We get rid of parentheses
8x-20+20=0
We add all the numbers together, and all the variables
8x=0
x=0/8
x=0

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