-9y-7=-10y

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Solution for -9y-7=-10y equation:


Simplifying
-9y + -7 = -10y

Reorder the terms:
-7 + -9y = -10y

Solving
-7 + -9y = -10y

Solving for variable 'y'.

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

Add '10y' to each side of the equation.
-7 + -9y + 10y = -10y + 10y

Combine like terms: -9y + 10y = 1y
-7 + 1y = -10y + 10y

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

Add '7' to each side of the equation.
-7 + 7 + 1y = 0 + 7

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

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

Divide each side by '1'.
y = 7

Simplifying
y = 7

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