9x-3=21+3(x-2)

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Solution for 9x-3=21+3(x-2) equation:


Simplifying
9x + -3 = 21 + 3(x + -2)

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

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

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

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

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

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

Add '3' to each side of the equation.
-3 + 3 + 6x = 15 + 3

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

Combine like terms: 15 + 3 = 18
6x = 18

Divide each side by '6'.
x = 3

Simplifying
x = 3

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