-10y+9=9y-10

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


Simplifying
-10y + 9 = 9y + -10

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

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

Solving
9 + -10y = -10 + 9y

Solving for variable 'y'.

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

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

Combine like terms: -10y + -9y = -19y
9 + -19y = -10 + 9y + -9y

Combine like terms: 9y + -9y = 0
9 + -19y = -10 + 0
9 + -19y = -10

Add '-9' to each side of the equation.
9 + -9 + -19y = -10 + -9

Combine like terms: 9 + -9 = 0
0 + -19y = -10 + -9
-19y = -10 + -9

Combine like terms: -10 + -9 = -19
-19y = -19

Divide each side by '-19'.
y = 1

Simplifying
y = 1

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