15(6-x)=12(5-x)

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Solution for 15(6-x)=12(5-x) equation:


Simplifying
15(6 + -1x) = 12(5 + -1x)
(6 * 15 + -1x * 15) = 12(5 + -1x)
(90 + -15x) = 12(5 + -1x)
90 + -15x = (5 * 12 + -1x * 12)
90 + -15x = (60 + -12x)

Solving
90 + -15x = 60 + -12x

Solving for variable 'x'.

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

Add '12x' to each side of the equation.
90 + -15x + 12x = 60 + -12x + 12x

Combine like terms: -15x + 12x = -3x
90 + -3x = 60 + -12x + 12x

Combine like terms: -12x + 12x = 0
90 + -3x = 60 + 0
90 + -3x = 60

Add '-90' to each side of the equation.
90 + -90 + -3x = 60 + -90

Combine like terms: 90 + -90 = 0
0 + -3x = 60 + -90
-3x = 60 + -90

Combine like terms: 60 + -90 = -30
-3x = -30

Divide each side by '-3'.
x = 10

Simplifying
x = 10

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