7y+4+3y-4+90=180

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Solution for 7y+4+3y-4+90=180 equation:


Simplifying
7y + 4 + 3y + -4 + 90 = 180

Reorder the terms:
4 + -4 + 90 + 7y + 3y = 180

Combine like terms: 4 + -4 = 0
0 + 90 + 7y + 3y = 180
90 + 7y + 3y = 180

Combine like terms: 7y + 3y = 10y
90 + 10y = 180

Solving
90 + 10y = 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 + 10y = 180 + -90

Combine like terms: 90 + -90 = 0
0 + 10y = 180 + -90
10y = 180 + -90

Combine like terms: 180 + -90 = 90
10y = 90

Divide each side by '10'.
y = 9

Simplifying
y = 9

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