.10x+.15(-x+390)=54.6

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Solution for .10x+.15(-x+390)=54.6 equation:


Simplifying
0.10x + 0.15(-1x + 390) = 54.6

Reorder the terms:
0.10x + 0.15(390 + -1x) = 54.6
0.10x + (390 * 0.15 + -1x * 0.15) = 54.6
0.10x + (58.5 + -0.15x) = 54.6

Reorder the terms:
58.5 + 0.10x + -0.15x = 54.6

Combine like terms: 0.10x + -0.15x = -0.05x
58.5 + -0.05x = 54.6

Solving
58.5 + -0.05x = 54.6

Solving for variable 'x'.

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

Add '-58.5' to each side of the equation.
58.5 + -58.5 + -0.05x = 54.6 + -58.5

Combine like terms: 58.5 + -58.5 = 0.0
0.0 + -0.05x = 54.6 + -58.5
-0.05x = 54.6 + -58.5

Combine like terms: 54.6 + -58.5 = -3.9
-0.05x = -3.9

Divide each side by '-0.05'.
x = 78

Simplifying
x = 78

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