(7y-4)+(7x+9)=180

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


Simplifying
(7y + -4) + (7x + 9) = 180

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

Remove parenthesis around (-4 + 7y)
-4 + 7y + (7x + 9) = 180

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

Remove parenthesis around (9 + 7x)
-4 + 7y + 9 + 7x = 180

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

Combine like terms: -4 + 9 = 5
5 + 7x + 7y = 180

Solving
5 + 7x + 7y = 180

Solving for variable 'x'.

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

Add '-5' to each side of the equation.
5 + 7x + -5 + 7y = 180 + -5

Reorder the terms:
5 + -5 + 7x + 7y = 180 + -5

Combine like terms: 5 + -5 = 0
0 + 7x + 7y = 180 + -5
7x + 7y = 180 + -5

Combine like terms: 180 + -5 = 175
7x + 7y = 175

Add '-7y' to each side of the equation.
7x + 7y + -7y = 175 + -7y

Combine like terms: 7y + -7y = 0
7x + 0 = 175 + -7y
7x = 175 + -7y

Divide each side by '7'.
x = 25 + -1y

Simplifying
x = 25 + -1y

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