2x+20+3x-15=90

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Solution for 2x+20+3x-15=90 equation:


Simplifying
2x + 20 + 3x + -15 = 90

Reorder the terms:
20 + -15 + 2x + 3x = 90

Combine like terms: 20 + -15 = 5
5 + 2x + 3x = 90

Combine like terms: 2x + 3x = 5x
5 + 5x = 90

Solving
5 + 5x = 90

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 + 5x = 90 + -5

Combine like terms: 5 + -5 = 0
0 + 5x = 90 + -5
5x = 90 + -5

Combine like terms: 90 + -5 = 85
5x = 85

Divide each side by '5'.
x = 17

Simplifying
x = 17

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