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2y+30=-4(y+3)
We move all terms to the left:
2y+30-(-4(y+3))=0
We calculate terms in parentheses: -(-4(y+3)), so:We get rid of parentheses
-4(y+3)
We multiply parentheses
-4y-12
Back to the equation:
-(-4y-12)
2y+4y+12+30=0
We add all the numbers together, and all the variables
6y+42=0
We move all terms containing y to the left, all other terms to the right
6y=-42
y=-42/6
y=-7
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