3(x+3)+2(x-3)=18

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Solution for 3(x+3)+2(x-3)=18 equation:


Simplifying
3(x + 3) + 2(x + -3) = 18

Reorder the terms:
3(3 + x) + 2(x + -3) = 18
(3 * 3 + x * 3) + 2(x + -3) = 18
(9 + 3x) + 2(x + -3) = 18

Reorder the terms:
9 + 3x + 2(-3 + x) = 18
9 + 3x + (-3 * 2 + x * 2) = 18
9 + 3x + (-6 + 2x) = 18

Reorder the terms:
9 + -6 + 3x + 2x = 18

Combine like terms: 9 + -6 = 3
3 + 3x + 2x = 18

Combine like terms: 3x + 2x = 5x
3 + 5x = 18

Solving
3 + 5x = 18

Solving for variable 'x'.

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

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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