15y+(-6y)-18y-(-20y)-16y-(-18)=-7

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Solution for 15y+(-6y)-18y-(-20y)-16y-(-18)=-7 equation: 



15y+(-6y)-18y-(-20y)-16y-(-18)=-7

We move all terms to the left:

15y+(-6y)-18y-(-20y)-16y-(-18)-(-7)=0

We add all the numbers together, and all the variables

-19y+(-6y)-(-20y)+25=0

We get rid of parentheses

-19y-6y+20y+25=0

We add all the numbers together, and all the variables

-5y+25=0

We move all terms containing y to the left, all other terms to the right

-5y=-25

y=-25/-5

y=+5

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