7x+20+3x+30=180

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Solution for 7x+20+3x+30=180 equation:


Simplifying
7x + 20 + 3x + 30 = 180

Reorder the terms:
20 + 30 + 7x + 3x = 180

Combine like terms: 20 + 30 = 50
50 + 7x + 3x = 180

Combine like terms: 7x + 3x = 10x
50 + 10x = 180

Solving
50 + 10x = 180

Solving for variable 'x'.

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

Add '-50' to each side of the equation.
50 + -50 + 10x = 180 + -50

Combine like terms: 50 + -50 = 0
0 + 10x = 180 + -50
10x = 180 + -50

Combine like terms: 180 + -50 = 130
10x = 130

Divide each side by '10'.
x = 13

Simplifying
x = 13

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