4x+13+9x-21=18x-43

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Solution for 4x+13+9x-21=18x-43 equation:


Simplifying
4x + 13 + 9x + -21 = 18x + -43

Reorder the terms:
13 + -21 + 4x + 9x = 18x + -43

Combine like terms: 13 + -21 = -8
-8 + 4x + 9x = 18x + -43

Combine like terms: 4x + 9x = 13x
-8 + 13x = 18x + -43

Reorder the terms:
-8 + 13x = -43 + 18x

Solving
-8 + 13x = -43 + 18x

Solving for variable 'x'.

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

Add '-18x' to each side of the equation.
-8 + 13x + -18x = -43 + 18x + -18x

Combine like terms: 13x + -18x = -5x
-8 + -5x = -43 + 18x + -18x

Combine like terms: 18x + -18x = 0
-8 + -5x = -43 + 0
-8 + -5x = -43

Add '8' to each side of the equation.
-8 + 8 + -5x = -43 + 8

Combine like terms: -8 + 8 = 0
0 + -5x = -43 + 8
-5x = -43 + 8

Combine like terms: -43 + 8 = -35
-5x = -35

Divide each side by '-5'.
x = 7

Simplifying
x = 7

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