100+(2x+y)+(5x+y)=180

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Solution for 100+(2x+y)+(5x+y)=180 equation:


Simplifying
100 + (2x + y) + (5x + y) = 180

Remove parenthesis around (2x + y)
100 + 2x + y + (5x + y) = 180

Remove parenthesis around (5x + y)
100 + 2x + y + 5x + y = 180

Reorder the terms:
100 + 2x + 5x + y + y = 180

Combine like terms: 2x + 5x = 7x
100 + 7x + y + y = 180

Combine like terms: y + y = 2y
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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