0.55x+0.05(20-x)=0.10(90)

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Solution for 0.55x+0.05(20-x)=0.10(90) equation: 


Simplifying
0.55x + 0.05(20 + -1x) = 0.10(90)
0.55x + (20 * 0.05 + -1x * 0.05) = 0.10(90)
0.55x + (1 + -0.05x) = 0.10(90)

Reorder the terms:
1 + 0.55x + -0.05x = 0.10(90)

Combine like terms: 0.55x + -0.05x = 0.5x
1 + 0.5x = 0.10(90)

Multiply 0.10 * 90
1 + 0.5x = 9

Solving
1 + 0.5x = 9

Solving for variable 'x'.

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

Add '-1' to each side of the equation.
1 + -1 + 0.5x = 9 + -1

Combine like terms: 1 + -1 = 0
0 + 0.5x = 9 + -1
0.5x = 9 + -1

Combine like terms: 9 + -1 = 8
0.5x = 8

Divide each side by '0.5'.
x = 16

Simplifying
x = 16

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