x+x-9+x-9*3=39

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Solution for x+x-9+x-9*3=39 equation:


Simplifying
x + x + -9 + x + -9 * 3 = 39

Multiply -9 * 3
x + x + -9 + x + -27 = 39

Reorder the terms:
-9 + -27 + x + x + x = 39

Combine like terms: -9 + -27 = -36
-36 + x + x + x = 39

Combine like terms: x + x = 2x
-36 + 2x + x = 39

Combine like terms: 2x + x = 3x
-36 + 3x = 39

Solving
-36 + 3x = 39

Solving for variable 'x'.

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

Add '36' to each side of the equation.
-36 + 36 + 3x = 39 + 36

Combine like terms: -36 + 36 = 0
0 + 3x = 39 + 36
3x = 39 + 36

Combine like terms: 39 + 36 = 75
3x = 75

Divide each side by '3'.
x = 25

Simplifying
x = 25

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