100+30=120y+90

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


Simplifying
100 + 30 = 120y + 90

Combine like terms: 100 + 30 = 130
130 = 120y + 90

Reorder the terms:
130 = 90 + 120y

Solving
130 = 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.
130 + -120y = 90 + 120y + -120y

Combine like terms: 120y + -120y = 0
130 + -120y = 90 + 0
130 + -120y = 90

Add '-130' to each side of the equation.
130 + -130 + -120y = 90 + -130

Combine like terms: 130 + -130 = 0
0 + -120y = 90 + -130
-120y = 90 + -130

Combine like terms: 90 + -130 = -40
-120y = -40

Divide each side by '-120'.
y = 0.3333333333

Simplifying
y = 0.3333333333

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