3(3x-2)-3=3(x-2)+21

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Solution for 3(3x-2)-3=3(x-2)+21 equation:


Simplifying
3(3x + -2) + -3 = 3(x + -2) + 21

Reorder the terms:
3(-2 + 3x) + -3 = 3(x + -2) + 21
(-2 * 3 + 3x * 3) + -3 = 3(x + -2) + 21
(-6 + 9x) + -3 = 3(x + -2) + 21

Reorder the terms:
-6 + -3 + 9x = 3(x + -2) + 21

Combine like terms: -6 + -3 = -9
-9 + 9x = 3(x + -2) + 21

Reorder the terms:
-9 + 9x = 3(-2 + x) + 21
-9 + 9x = (-2 * 3 + x * 3) + 21
-9 + 9x = (-6 + 3x) + 21

Reorder the terms:
-9 + 9x = -6 + 21 + 3x

Combine like terms: -6 + 21 = 15
-9 + 9x = 15 + 3x

Solving
-9 + 9x = 15 + 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.
-9 + 9x + -3x = 15 + 3x + -3x

Combine like terms: 9x + -3x = 6x
-9 + 6x = 15 + 3x + -3x

Combine like terms: 3x + -3x = 0
-9 + 6x = 15 + 0
-9 + 6x = 15

Add '9' to each side of the equation.
-9 + 9 + 6x = 15 + 9

Combine like terms: -9 + 9 = 0
0 + 6x = 15 + 9
6x = 15 + 9

Combine like terms: 15 + 9 = 24
6x = 24

Divide each side by '6'.
x = 4

Simplifying
x = 4

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