-100y+30=120y-90

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Solution for -100y+30=120y-90 equation:


Simplifying
-100y + 30 = 120y + -90

Reorder the terms:
30 + -100y = 120y + -90

Reorder the terms:
30 + -100y = -90 + 120y

Solving
30 + -100y = -90 + 120y

Solving for variable 'y'.

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

Add '-120y' to each side of the equation.
30 + -100y + -120y = -90 + 120y + -120y

Combine like terms: -100y + -120y = -220y
30 + -220y = -90 + 120y + -120y

Combine like terms: 120y + -120y = 0
30 + -220y = -90 + 0
30 + -220y = -90

Add '-30' to each side of the equation.
30 + -30 + -220y = -90 + -30

Combine like terms: 30 + -30 = 0
0 + -220y = -90 + -30
-220y = -90 + -30

Combine like terms: -90 + -30 = -120
-220y = -120

Divide each side by '-220'.
y = 0.5454545455

Simplifying
y = 0.5454545455

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