3x+20+4x-15=180

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Solution for 3x+20+4x-15=180 equation: 


Simplifying
3x + 20 + 4x + -15 = 180

Reorder the terms:
20 + -15 + 3x + 4x = 180

Combine like terms: 20 + -15 = 5
5 + 3x + 4x = 180

Combine like terms: 3x + 4x = 7x
5 + 7x = 180

Solving
5 + 7x = 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 + -5 + 7x = 180 + -5

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

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

Divide each side by '7'.
x = 25

Simplifying
x = 25

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