3x-x+15=75

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Solution for 3x-x+15=75 equation:


Simplifying
3x + -1x + 15 = 75

Reorder the terms:
15 + 3x + -1x = 75

Combine like terms: 3x + -1x = 2x
15 + 2x = 75

Solving
15 + 2x = 75

Solving for variable 'x'.

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

Add '-15' to each side of the equation.
15 + -15 + 2x = 75 + -15

Combine like terms: 15 + -15 = 0
0 + 2x = 75 + -15
2x = 75 + -15

Combine like terms: 75 + -15 = 60
2x = 60

Divide each side by '2'.
x = 30

Simplifying
x = 30

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