0.10x+0.05(18-x)=0.12(12)

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Solution for 0.10x+0.05(18-x)=0.12(12) equation: 


Simplifying
0.10x + 0.05(18 + -1x) = 0.12(12)
0.10x + (18 * 0.05 + -1x * 0.05) = 0.12(12)
0.10x + (0.9 + -0.05x) = 0.12(12)

Reorder the terms:
0.9 + 0.10x + -0.05x = 0.12(12)

Combine like terms: 0.10x + -0.05x = 0.05x
0.9 + 0.05x = 0.12(12)

Multiply 0.12 * 12
0.9 + 0.05x = 1.44

Solving
0.9 + 0.05x = 1.44

Solving for variable 'x'.

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

Add '-0.9' to each side of the equation.
0.9 + -0.9 + 0.05x = 1.44 + -0.9

Combine like terms: 0.9 + -0.9 = 0.0
0.0 + 0.05x = 1.44 + -0.9
0.05x = 1.44 + -0.9

Combine like terms: 1.44 + -0.9 = 0.54
0.05x = 0.54

Divide each side by '0.05'.
x = 10.8

Simplifying
x = 10.8

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