102=80+0.55(1-x)(22)

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Solution for 102=80+0.55(1-x)(22) equation:


Simplifying
102 = 80 + 0.55(1 + -1x)(22)

Reorder the terms for easier multiplication:
102 = 80 + 0.55 * 22(1 + -1x)

Multiply 0.55 * 22
102 = 80 + 12.1(1 + -1x)
102 = 80 + (1 * 12.1 + -1x * 12.1)
102 = 80 + (12.1 + -12.1x)

Combine like terms: 80 + 12.1 = 92.1
102 = 92.1 + -12.1x

Solving
102 = 92.1 + -12.1x

Solving for variable 'x'.

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

Add '12.1x' to each side of the equation.
102 + 12.1x = 92.1 + -12.1x + 12.1x

Combine like terms: -12.1x + 12.1x = 0.0
102 + 12.1x = 92.1 + 0.0
102 + 12.1x = 92.1

Add '-102' to each side of the equation.
102 + -102 + 12.1x = 92.1 + -102

Combine like terms: 102 + -102 = 0
0 + 12.1x = 92.1 + -102
12.1x = 92.1 + -102

Combine like terms: 92.1 + -102 = -9.9
12.1x = -9.9

Divide each side by '12.1'.
x = -0.8181818182

Simplifying
x = -0.8181818182

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