1.25x+0.30(120-x)=1.15x

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Solution for 1.25x+0.30(120-x)=1.15x equation:


Simplifying
1.25x + 0.30(120 + -1x) = 1.15x
1.25x + (120 * 0.30 + -1x * 0.30) = 1.15x
1.25x + (36 + -0.3x) = 1.15x

Reorder the terms:
36 + 1.25x + -0.3x = 1.15x

Combine like terms: 1.25x + -0.3x = 0.95x
36 + 0.95x = 1.15x

Solving
36 + 0.95x = 1.15x

Solving for variable 'x'.

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

Add '-1.15x' to each side of the equation.
36 + 0.95x + -1.15x = 1.15x + -1.15x

Combine like terms: 0.95x + -1.15x = -0.2x
36 + -0.2x = 1.15x + -1.15x

Combine like terms: 1.15x + -1.15x = 0.00
36 + -0.2x = 0.00

Add '-36' to each side of the equation.
36 + -36 + -0.2x = 0.00 + -36

Combine like terms: 36 + -36 = 0
0 + -0.2x = 0.00 + -36
-0.2x = 0.00 + -36

Combine like terms: 0.00 + -36 = -36
-0.2x = -36

Divide each side by '-0.2'.
x = 180

Simplifying
x = 180

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