y+y+30+9.0=180

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Solution for y+y+30+9.0=180 equation:


Simplifying
y + y + 30 + 9.0 = 180

Reorder the terms:
30 + 9.0 + y + y = 180

Combine like terms: 30 + 9.0 = 39
39 + y + y = 180

Combine like terms: y + y = 2y
39 + 2y = 180

Solving
39 + 2y = 180

Solving for variable 'y'.

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

Add '-39' to each side of the equation.
39 + -39 + 2y = 180 + -39

Combine like terms: 39 + -39 = 0
0 + 2y = 180 + -39
2y = 180 + -39

Combine like terms: 180 + -39 = 141
2y = 141

Divide each side by '2'.
y = 70.5

Simplifying
y = 70.5

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