2x+3(x-3)=12

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Solution for 2x+3(x-3)=12 equation:


Simplifying
2x + 3(x + -3) = 12

Reorder the terms:
2x + 3(-3 + x) = 12
2x + (-3 * 3 + x * 3) = 12
2x + (-9 + 3x) = 12

Reorder the terms:
-9 + 2x + 3x = 12

Combine like terms: 2x + 3x = 5x
-9 + 5x = 12

Solving
-9 + 5x = 12

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + 5x = 12 + 9

Combine like terms: -9 + 9 = 0
0 + 5x = 12 + 9
5x = 12 + 9

Combine like terms: 12 + 9 = 21
5x = 21

Divide each side by '5'.
x = 4.2

Simplifying
x = 4.2

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