(3x+10y)+(7x+10y)=180

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Solution for (3x+10y)+(7x+10y)=180 equation:


Simplifying
(3x + 10y) + (7x + 10y) = 180

Remove parenthesis around (3x + 10y)
3x + 10y + (7x + 10y) = 180

Remove parenthesis around (7x + 10y)
3x + 10y + 7x + 10y = 180

Reorder the terms:
3x + 7x + 10y + 10y = 180

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

Combine like terms: 10y + 10y = 20y
10x + 20y = 180

Solving
10x + 20y = 180

Solving for variable 'x'.

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

Add '-20y' to each side of the equation.
10x + 20y + -20y = 180 + -20y

Combine like terms: 20y + -20y = 0
10x + 0 = 180 + -20y
10x = 180 + -20y

Divide each side by '10'.
x = 18 + -2y

Simplifying
x = 18 + -2y

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