0.10x+0.5(12-x)=0.10(9)

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Solution for 0.10x+0.5(12-x)=0.10(9) equation:


Simplifying
0.10x + 0.5(12 + -1x) = 0.10(9)
0.10x + (12 * 0.5 + -1x * 0.5) = 0.10(9)
0.10x + (6 + -0.5x) = 0.10(9)

Reorder the terms:
6 + 0.10x + -0.5x = 0.10(9)

Combine like terms: 0.10x + -0.5x = -0.4x
6 + -0.4x = 0.10(9)

Multiply 0.10 * 9
6 + -0.4x = 0.9

Solving
6 + -0.4x = 0.9

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + -6 + -0.4x = 0.9 + -6

Combine like terms: 6 + -6 = 0
0 + -0.4x = 0.9 + -6
-0.4x = 0.9 + -6

Combine like terms: 0.9 + -6 = -5.1
-0.4x = -5.1

Divide each side by '-0.4'.
x = 12.75

Simplifying
x = 12.75

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