.1x+.15x=12(x-20)

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Solution for .1x+.15x=12(x-20) equation:


Simplifying
0.1x + 0.15x = 12(x + -20)

Combine like terms: 0.1x + 0.15x = 0.25x
0.25x = 12(x + -20)

Reorder the terms:
0.25x = 12(-20 + x)
0.25x = (-20 * 12 + x * 12)
0.25x = (-240 + 12x)

Solving
0.25x = -240 + 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.
0.25x + -12x = -240 + 12x + -12x

Combine like terms: 0.25x + -12x = -11.75x
-11.75x = -240 + 12x + -12x

Combine like terms: 12x + -12x = 0
-11.75x = -240 + 0
-11.75x = -240

Divide each side by '-11.75'.
x = 20.42553191

Simplifying
x = 20.42553191

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