.15(x+50)-.07(x-60)=10.9

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Solution for .15(x+50)-.07(x-60)=10.9 equation:


Simplifying
0.15(x + 50) + -0.07(x + -60) = 10.9

Reorder the terms:
0.15(50 + x) + -0.07(x + -60) = 10.9
(50 * 0.15 + x * 0.15) + -0.07(x + -60) = 10.9
(7.5 + 0.15x) + -0.07(x + -60) = 10.9

Reorder the terms:
7.5 + 0.15x + -0.07(-60 + x) = 10.9
7.5 + 0.15x + (-60 * -0.07 + x * -0.07) = 10.9
7.5 + 0.15x + (4.2 + -0.07x) = 10.9

Reorder the terms:
7.5 + 4.2 + 0.15x + -0.07x = 10.9

Combine like terms: 7.5 + 4.2 = 11.7
11.7 + 0.15x + -0.07x = 10.9

Combine like terms: 0.15x + -0.07x = 0.08x
11.7 + 0.08x = 10.9

Solving
11.7 + 0.08x = 10.9

Solving for variable 'x'.

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

Add '-11.7' to each side of the equation.
11.7 + -11.7 + 0.08x = 10.9 + -11.7

Combine like terms: 11.7 + -11.7 = 0.0
0.0 + 0.08x = 10.9 + -11.7
0.08x = 10.9 + -11.7

Combine like terms: 10.9 + -11.7 = -0.8
0.08x = -0.8

Divide each side by '0.08'.
x = -10

Simplifying
x = -10

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