5(y+3)+3(y+5)=7(y-5)-15

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Solution for 5(y+3)+3(y+5)=7(y-5)-15 equation:



5(y+3)+3(y+5)=7(y-5)-15
We move all terms to the left:
5(y+3)+3(y+5)-(7(y-5)-15)=0
We multiply parentheses
5y+3y-(7(y-5)-15)+15+15=0
We calculate terms in parentheses: -(7(y-5)-15), so:
7(y-5)-15
We multiply parentheses
7y-35-15
We add all the numbers together, and all the variables
7y-50
Back to the equation:
-(7y-50)
We add all the numbers together, and all the variables
8y-(7y-50)+30=0
We get rid of parentheses
8y-7y+50+30=0
We add all the numbers together, and all the variables
y+80=0
We move all terms containing y to the left, all other terms to the right
y=-80

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