3x-18=3(4x+3)

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


Simplifying
3x + -18 = 3(4x + 3)

Reorder the terms:
-18 + 3x = 3(4x + 3)

Reorder the terms:
-18 + 3x = 3(3 + 4x)
-18 + 3x = (3 * 3 + 4x * 3)
-18 + 3x = (9 + 12x)

Solving
-18 + 3x = 9 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
-18 + 3x + -12x = 9 + 12x + -12x

Combine like terms: 3x + -12x = -9x
-18 + -9x = 9 + 12x + -12x

Combine like terms: 12x + -12x = 0
-18 + -9x = 9 + 0
-18 + -9x = 9

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

Combine like terms: -18 + 18 = 0
0 + -9x = 9 + 18
-9x = 9 + 18

Combine like terms: 9 + 18 = 27
-9x = 27

Divide each side by '-9'.
x = -3

Simplifying
x = -3

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