15(12-x)=13(3-x)

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Solution for 15(12-x)=13(3-x) equation:


Simplifying
15(12 + -1x) = 13(3 + -1x)
(12 * 15 + -1x * 15) = 13(3 + -1x)
(180 + -15x) = 13(3 + -1x)
180 + -15x = (3 * 13 + -1x * 13)
180 + -15x = (39 + -13x)

Solving
180 + -15x = 39 + -13x

Solving for variable 'x'.

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

Add '13x' to each side of the equation.
180 + -15x + 13x = 39 + -13x + 13x

Combine like terms: -15x + 13x = -2x
180 + -2x = 39 + -13x + 13x

Combine like terms: -13x + 13x = 0
180 + -2x = 39 + 0
180 + -2x = 39

Add '-180' to each side of the equation.
180 + -180 + -2x = 39 + -180

Combine like terms: 180 + -180 = 0
0 + -2x = 39 + -180
-2x = 39 + -180

Combine like terms: 39 + -180 = -141
-2x = -141

Divide each side by '-2'.
x = 70.5

Simplifying
x = 70.5

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