3(4x-7)-13=18-x

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Solution for 3(4x-7)-13=18-x equation:


Simplifying
3(4x + -7) + -13 = 18 + -1x

Reorder the terms:
3(-7 + 4x) + -13 = 18 + -1x
(-7 * 3 + 4x * 3) + -13 = 18 + -1x
(-21 + 12x) + -13 = 18 + -1x

Reorder the terms:
-21 + -13 + 12x = 18 + -1x

Combine like terms: -21 + -13 = -34
-34 + 12x = 18 + -1x

Solving
-34 + 12x = 18 + -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.
-34 + 12x + x = 18 + -1x + x

Combine like terms: 12x + x = 13x
-34 + 13x = 18 + -1x + x

Combine like terms: -1x + x = 0
-34 + 13x = 18 + 0
-34 + 13x = 18

Add '34' to each side of the equation.
-34 + 34 + 13x = 18 + 34

Combine like terms: -34 + 34 = 0
0 + 13x = 18 + 34
13x = 18 + 34

Combine like terms: 18 + 34 = 52
13x = 52

Divide each side by '13'.
x = 4

Simplifying
x = 4

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