y+4y+90=180

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Solution for y+4y+90=180 equation: 


Simplifying
y + 4y + 90 = 180

Reorder the terms:
90 + y + 4y = 180

Combine like terms: y + 4y = 5y
90 + 5y = 180

Solving
90 + 5y = 180

Solving for variable 'y'.

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

Add '-90' to each side of the equation.
90 + -90 + 5y = 180 + -90

Combine like terms: 90 + -90 = 0
0 + 5y = 180 + -90
5y = 180 + -90

Combine like terms: 180 + -90 = 90
5y = 90

Divide each side by '5'.
y = 18

Simplifying
y = 18

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