109-4x=3x+18

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Solution for 109-4x=3x+18 equation:


Simplifying
109 + -4x = 3x + 18

Reorder the terms:
109 + -4x = 18 + 3x

Solving
109 + -4x = 18 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
109 + -4x + -3x = 18 + 3x + -3x

Combine like terms: -4x + -3x = -7x
109 + -7x = 18 + 3x + -3x

Combine like terms: 3x + -3x = 0
109 + -7x = 18 + 0
109 + -7x = 18

Add '-109' to each side of the equation.
109 + -109 + -7x = 18 + -109

Combine like terms: 109 + -109 = 0
0 + -7x = 18 + -109
-7x = 18 + -109

Combine like terms: 18 + -109 = -91
-7x = -91

Divide each side by '-7'.
x = 13

Simplifying
x = 13

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