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7+28=-5(9x-7)
We move all terms to the left:
7+28-(-5(9x-7))=0
We add all the numbers together, and all the variables
-(-5(9x-7))+35=0
We calculate terms in parentheses: -(-5(9x-7)), so:We get rid of parentheses
-5(9x-7)
We multiply parentheses
-45x+35
Back to the equation:
-(-45x+35)
45x-35+35=0
We add all the numbers together, and all the variables
45x=0
x=0/45
x=0
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