4y+7y-9=180

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Solution for 4y+7y-9=180 equation:


Simplifying
4y + 7y + -9 = 180

Reorder the terms:
-9 + 4y + 7y = 180

Combine like terms: 4y + 7y = 11y
-9 + 11y = 180

Solving
-9 + 11y = 180

Solving for variable 'y'.

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

Add '9' to each side of the equation.
-9 + 9 + 11y = 180 + 9

Combine like terms: -9 + 9 = 0
0 + 11y = 180 + 9
11y = 180 + 9

Combine like terms: 180 + 9 = 189
11y = 189

Divide each side by '11'.
y = 17.18181818

Simplifying
y = 17.18181818

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