2x-42=15-x

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Solution for 2x-42=15-x equation:


Simplifying
2x + -42 = 15 + -1x

Reorder the terms:
-42 + 2x = 15 + -1x

Solving
-42 + 2x = 15 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
-42 + 2x + x = 15 + -1x + x

Combine like terms: 2x + x = 3x
-42 + 3x = 15 + -1x + x

Combine like terms: -1x + x = 0
-42 + 3x = 15 + 0
-42 + 3x = 15

Add '42' to each side of the equation.
-42 + 42 + 3x = 15 + 42

Combine like terms: -42 + 42 = 0
0 + 3x = 15 + 42
3x = 15 + 42

Combine like terms: 15 + 42 = 57
3x = 57

Divide each side by '3'.
x = 19

Simplifying
x = 19

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