3(5-x)=9-x

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


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

Solving
15 + -3x = 9 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
15 + -3x + x = 9 + -1x + x

Combine like terms: -3x + x = -2x
15 + -2x = 9 + -1x + x

Combine like terms: -1x + x = 0
15 + -2x = 9 + 0
15 + -2x = 9

Add '-15' to each side of the equation.
15 + -15 + -2x = 9 + -15

Combine like terms: 15 + -15 = 0
0 + -2x = 9 + -15
-2x = 9 + -15

Combine like terms: 9 + -15 = -6
-2x = -6

Divide each side by '-2'.
x = 3

Simplifying
x = 3

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