3(x-1)+9=40+x

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Solution for 3(x-1)+9=40+x equation:


Simplifying
3(x + -1) + 9 = 40 + x

Reorder the terms:
3(-1 + x) + 9 = 40 + x
(-1 * 3 + x * 3) + 9 = 40 + x
(-3 + 3x) + 9 = 40 + x

Reorder the terms:
-3 + 9 + 3x = 40 + x

Combine like terms: -3 + 9 = 6
6 + 3x = 40 + x

Solving
6 + 3x = 40 + 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.
6 + 3x + -1x = 40 + x + -1x

Combine like terms: 3x + -1x = 2x
6 + 2x = 40 + x + -1x

Combine like terms: x + -1x = 0
6 + 2x = 40 + 0
6 + 2x = 40

Add '-6' to each side of the equation.
6 + -6 + 2x = 40 + -6

Combine like terms: 6 + -6 = 0
0 + 2x = 40 + -6
2x = 40 + -6

Combine like terms: 40 + -6 = 34
2x = 34

Divide each side by '2'.
x = 17

Simplifying
x = 17

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