2x+x+15+90=90

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Solution for 2x+x+15+90=90 equation:


Simplifying
2x + x + 15 + 90 = 90

Reorder the terms:
15 + 90 + 2x + x = 90

Combine like terms: 15 + 90 = 105
105 + 2x + x = 90

Combine like terms: 2x + x = 3x
105 + 3x = 90

Solving
105 + 3x = 90

Solving for variable 'x'.

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

Add '-105' to each side of the equation.
105 + -105 + 3x = 90 + -105

Combine like terms: 105 + -105 = 0
0 + 3x = 90 + -105
3x = 90 + -105

Combine like terms: 90 + -105 = -15
3x = -15

Divide each side by '3'.
x = -5

Simplifying
x = -5

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