-7-y=15+10+y

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Solution for -7-y=15+10+y equation:


Simplifying
-7 + -1y = 15 + 10 + y

Combine like terms: 15 + 10 = 25
-7 + -1y = 25 + y

Solving
-7 + -1y = 25 + y

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '-1y' to each side of the equation.
-7 + -1y + -1y = 25 + y + -1y

Combine like terms: -1y + -1y = -2y
-7 + -2y = 25 + y + -1y

Combine like terms: y + -1y = 0
-7 + -2y = 25 + 0
-7 + -2y = 25

Add '7' to each side of the equation.
-7 + 7 + -2y = 25 + 7

Combine like terms: -7 + 7 = 0
0 + -2y = 25 + 7
-2y = 25 + 7

Combine like terms: 25 + 7 = 32
-2y = 32

Divide each side by '-2'.
y = -16

Simplifying
y = -16

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