3(x+3)-4=9+x

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Solution for 3(x+3)-4=9+x equation:


Simplifying
3(x + 3) + -4 = 9 + x

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

Reorder the terms:
9 + -4 + 3x = 9 + x

Combine like terms: 9 + -4 = 5
5 + 3x = 9 + x

Solving
5 + 3x = 9 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
5 + 3x + -1x = 9 + x + -1x

Combine like terms: 3x + -1x = 2x
5 + 2x = 9 + x + -1x

Combine like terms: x + -1x = 0
5 + 2x = 9 + 0
5 + 2x = 9

Add '-5' to each side of the equation.
5 + -5 + 2x = 9 + -5

Combine like terms: 5 + -5 = 0
0 + 2x = 9 + -5
2x = 9 + -5

Combine like terms: 9 + -5 = 4
2x = 4

Divide each side by '2'.
x = 2

Simplifying
x = 2

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