3(2x-7)-3x=18

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Solution for 3(2x-7)-3x=18 equation:


Simplifying
3(2x + -7) + -3x = 18

Reorder the terms:
3(-7 + 2x) + -3x = 18
(-7 * 3 + 2x * 3) + -3x = 18
(-21 + 6x) + -3x = 18

Combine like terms: 6x + -3x = 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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