-y-7=-10

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Solution for -y-7=-10 equation: 


Simplifying
-1y + -7 = -10

Reorder the terms:
-7 + -1y = -10

Solving
-7 + -1y = -10

Solving for variable 'y'.

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

Add '7' to each side of the equation.
-7 + 7 + -1y = -10 + 7

Combine like terms: -7 + 7 = 0
0 + -1y = -10 + 7
-1y = -10 + 7

Combine like terms: -10 + 7 = -3
-1y = -3

Divide each side by '-1'.
y = 3

Simplifying
y = 3

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