3(5-x)=9(x-1)

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Solution for 3(5-x)=9(x-1) equation:


Simplifying
3(5 + -1x) = 9(x + -1)
(5 * 3 + -1x * 3) = 9(x + -1)
(15 + -3x) = 9(x + -1)

Reorder the terms:
15 + -3x = 9(-1 + x)
15 + -3x = (-1 * 9 + x * 9)
15 + -3x = (-9 + 9x)

Solving
15 + -3x = -9 + 9x

Solving for variable 'x'.

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

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

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

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

Add '-15' to each side of the equation.
15 + -15 + -12x = -9 + -15

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

Combine like terms: -9 + -15 = -24
-12x = -24

Divide each side by '-12'.
x = 2

Simplifying
x = 2

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