3x-9=5(3x)

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Solution for 3x-9=5(3x) equation:


Simplifying
3x + -9 = 5(3x)

Reorder the terms:
-9 + 3x = 5(3x)

Remove parenthesis around (3x)
-9 + 3x = 5 * 3x

Multiply 5 * 3
-9 + 3x = 15x

Solving
-9 + 3x = 15x

Solving for variable 'x'.

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

Add '-15x' to each side of the equation.
-9 + 3x + -15x = 15x + -15x

Combine like terms: 3x + -15x = -12x
-9 + -12x = 15x + -15x

Combine like terms: 15x + -15x = 0
-9 + -12x = 0

Add '9' to each side of the equation.
-9 + 9 + -12x = 0 + 9

Combine like terms: -9 + 9 = 0
0 + -12x = 0 + 9
-12x = 0 + 9

Combine like terms: 0 + 9 = 9
-12x = 9

Divide each side by '-12'.
x = -0.75

Simplifying
x = -0.75

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