7x+2y+100=180

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Solution for 7x+2y+100=180 equation: 


Simplifying
7x + 2y + 100 = 180

Reorder the terms:
100 + 7x + 2y = 180

Solving
100 + 7x + 2y = 180

Solving for variable 'x'.

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

Add '-100' to each side of the equation.
100 + 7x + -100 + 2y = 180 + -100

Reorder the terms:
100 + -100 + 7x + 2y = 180 + -100

Combine like terms: 100 + -100 = 0
0 + 7x + 2y = 180 + -100
7x + 2y = 180 + -100

Combine like terms: 180 + -100 = 80
7x + 2y = 80

Add '-2y' to each side of the equation.
7x + 2y + -2y = 80 + -2y

Combine like terms: 2y + -2y = 0
7x + 0 = 80 + -2y
7x = 80 + -2y

Divide each side by '7'.
x = 11.42857143 + -0.2857142857y

Simplifying
x = 11.42857143 + -0.2857142857y

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