3-9x=18-4x

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Solution for 3-9x=18-4x equation:


Simplifying
3 + -9x = 18 + -4x

Solving
3 + -9x = 18 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
3 + -9x + 4x = 18 + -4x + 4x

Combine like terms: -9x + 4x = -5x
3 + -5x = 18 + -4x + 4x

Combine like terms: -4x + 4x = 0
3 + -5x = 18 + 0
3 + -5x = 18

Add '-3' to each side of the equation.
3 + -3 + -5x = 18 + -3

Combine like terms: 3 + -3 = 0
0 + -5x = 18 + -3
-5x = 18 + -3

Combine like terms: 18 + -3 = 15
-5x = 15

Divide each side by '-5'.
x = -3

Simplifying
x = -3

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