28-7x=-7(5x+4)

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Solution for 28-7x=-7(5x+4) equation:



28-7x=-7(5x+4)
We move all terms to the left:
28-7x-(-7(5x+4))=0
We calculate terms in parentheses: -(-7(5x+4)), so:
-7(5x+4)
We multiply parentheses
-35x-28
Back to the equation:
-(-35x-28)
We get rid of parentheses
-7x+35x+28+28=0
We add all the numbers together, and all the variables
28x+56=0
We move all terms containing x to the left, all other terms to the right
28x=-56
x=-56/28
x=-2

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