(3x+5)-(2x-15)+20=180

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Solution for (3x+5)-(2x-15)+20=180 equation: 


Simplifying
(3x + 5) + -1(2x + -15) + 20 = 180

Reorder the terms:
(5 + 3x) + -1(2x + -15) + 20 = 180

Remove parenthesis around (5 + 3x)
5 + 3x + -1(2x + -15) + 20 = 180

Reorder the terms:
5 + 3x + -1(-15 + 2x) + 20 = 180
5 + 3x + (-15 * -1 + 2x * -1) + 20 = 180
5 + 3x + (15 + -2x) + 20 = 180

Reorder the terms:
5 + 15 + 20 + 3x + -2x = 180

Combine like terms: 5 + 15 = 20
20 + 20 + 3x + -2x = 180

Combine like terms: 20 + 20 = 40
40 + 3x + -2x = 180

Combine like terms: 3x + -2x = 1x
40 + 1x = 180

Solving
40 + 1x = 180

Solving for variable 'x'.

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

Add '-40' to each side of the equation.
40 + -40 + 1x = 180 + -40

Combine like terms: 40 + -40 = 0
0 + 1x = 180 + -40
1x = 180 + -40

Combine like terms: 180 + -40 = 140
1x = 140

Divide each side by '1'.
x = 140

Simplifying
x = 140

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