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30+2y=-4(5y-2)
We move all terms to the left:
30+2y-(-4(5y-2))=0
We calculate terms in parentheses: -(-4(5y-2)), so:We get rid of parentheses
-4(5y-2)
We multiply parentheses
-20y+8
Back to the equation:
-(-20y+8)
2y+20y-8+30=0
We add all the numbers together, and all the variables
22y+22=0
We move all terms containing y to the left, all other terms to the right
22y=-22
y=-22/22
y=-1
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