(-20-10y)+y=-2

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Solution for (-20-10y)+y=-2 equation: 



(-20-10y)+y=-2

We move all terms to the left:

(-20-10y)+y-(-2)=0

We add all the numbers together, and all the variables

(-10y-20)+y-(-2)=0

We add all the numbers together, and all the variables

y+(-10y-20)+2=0

We get rid of parentheses

y-10y-20+2=0

We add all the numbers together, and all the variables

-9y-18=0

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

-9y=18

y=18/-9

y=-2

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