0.45+0.05(20-x)=0.10(82)

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Solution for 0.45+0.05(20-x)=0.10(82) equation: 


Simplifying
0.45 + 0.05(20 + -1x) = 0.10(82)
0.45 + (20 * 0.05 + -1x * 0.05) = 0.10(82)
0.45 + (1 + -0.05x) = 0.10(82)

Combine like terms: 0.45 + 1 = 1.45
1.45 + -0.05x = 0.10(82)

Multiply 0.10 * 82
1.45 + -0.05x = 8.2

Solving
1.45 + -0.05x = 8.2

Solving for variable 'x'.

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

Add '-1.45' to each side of the equation.
1.45 + -1.45 + -0.05x = 8.2 + -1.45

Combine like terms: 1.45 + -1.45 = 0.00
0.00 + -0.05x = 8.2 + -1.45
-0.05x = 8.2 + -1.45

Combine like terms: 8.2 + -1.45 = 6.75
-0.05x = 6.75

Divide each side by '-0.05'.
x = -135

Simplifying
x = -135

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