9y+45=-1y+135

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Solution for 9y+45=-1y+135 equation:


Simplifying
9y + 45 = -1y + 135

Reorder the terms:
45 + 9y = -1y + 135

Reorder the terms:
45 + 9y = 135 + -1y

Solving
45 + 9y = 135 + -1y

Solving for variable 'y'.

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

Add 'y' to each side of the equation.
45 + 9y + y = 135 + -1y + y

Combine like terms: 9y + y = 10y
45 + 10y = 135 + -1y + y

Combine like terms: -1y + y = 0
45 + 10y = 135 + 0
45 + 10y = 135

Add '-45' to each side of the equation.
45 + -45 + 10y = 135 + -45

Combine like terms: 45 + -45 = 0
0 + 10y = 135 + -45
10y = 135 + -45

Combine like terms: 135 + -45 = 90
10y = 90

Divide each side by '10'.
y = 9

Simplifying
y = 9

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