9x-39=3(x+1)

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Solution for 9x-39=3(x+1) equation:


Simplifying
9x + -39 = 3(x + 1)

Reorder the terms:
-39 + 9x = 3(x + 1)

Reorder the terms:
-39 + 9x = 3(1 + x)
-39 + 9x = (1 * 3 + x * 3)
-39 + 9x = (3 + 3x)

Solving
-39 + 9x = 3 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-39 + 9x + -3x = 3 + 3x + -3x

Combine like terms: 9x + -3x = 6x
-39 + 6x = 3 + 3x + -3x

Combine like terms: 3x + -3x = 0
-39 + 6x = 3 + 0
-39 + 6x = 3

Add '39' to each side of the equation.
-39 + 39 + 6x = 3 + 39

Combine like terms: -39 + 39 = 0
0 + 6x = 3 + 39
6x = 3 + 39

Combine like terms: 3 + 39 = 42
6x = 42

Divide each side by '6'.
x = 7

Simplifying
x = 7

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