.50x+0.05(18-x)=.10(0)

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Solution for .50x+0.05(18-x)=.10(0) equation: 


Simplifying
0.50x + 0.05(18 + -1x) = 0.10(0)
0.50x + (18 * 0.05 + -1x * 0.05) = 0.10(0)
0.50x + (0.9 + -0.05x) = 0.10(0)

Reorder the terms:
0.9 + 0.50x + -0.05x = 0.10(0)

Combine like terms: 0.50x + -0.05x = 0.45x
0.9 + 0.45x = 0.10(0)

Multiply 0.10 * 0
0.9 + 0.45x = 0.00

Anything times zero is zero.
0.9 + 0.45x = 0.00

Solving
0.9 + 0.45x = 0.00

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 + 0.45x = 0.00 + -0.9

Combine like terms: 0.9 + -0.9 = 0.0
0.0 + 0.45x = 0.00 + -0.9
0.45x = 0.00 + -0.9

Combine like terms: 0.00 + -0.9 = -0.9
0.45x = -0.9

Divide each side by '0.45'.
x = -2

Simplifying
x = -2

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