x-4+2x-17=18

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Solution for x-4+2x-17=18 equation:


Simplifying
x + -4 + 2x + -17 = 18

Reorder the terms:
-4 + -17 + x + 2x = 18

Combine like terms: -4 + -17 = -21
-21 + x + 2x = 18

Combine like terms: x + 2x = 3x
-21 + 3x = 18

Solving
-21 + 3x = 18

Solving for variable 'x'.

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

Add '21' to each side of the equation.
-21 + 21 + 3x = 18 + 21

Combine like terms: -21 + 21 = 0
0 + 3x = 18 + 21
3x = 18 + 21

Combine like terms: 18 + 21 = 39
3x = 39

Divide each side by '3'.
x = 13

Simplifying
x = 13

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