.9x+.05(10-x)=.1(124)

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Solution for .9x+.05(10-x)=.1(124) equation:


Simplifying
0.9x + 0.05(10 + -1x) = 0.1(124)
0.9x + (10 * 0.05 + -1x * 0.05) = 0.1(124)
0.9x + (0.5 + -0.05x) = 0.1(124)

Reorder the terms:
0.5 + 0.9x + -0.05x = 0.1(124)

Combine like terms: 0.9x + -0.05x = 0.85x
0.5 + 0.85x = 0.1(124)

Multiply 0.1 * 124
0.5 + 0.85x = 12.4

Solving
0.5 + 0.85x = 12.4

Solving for variable 'x'.

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

Add '-0.5' to each side of the equation.
0.5 + -0.5 + 0.85x = 12.4 + -0.5

Combine like terms: 0.5 + -0.5 = 0.0
0.0 + 0.85x = 12.4 + -0.5
0.85x = 12.4 + -0.5

Combine like terms: 12.4 + -0.5 = 11.9
0.85x = 11.9

Divide each side by '0.85'.
x = 14

Simplifying
x = 14

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