31=.889(x-50)+12

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Solution for 31=.889(x-50)+12 equation: 


Simplifying
31 = 0.889(x + -50) + 12

Reorder the terms:
31 = 0.889(-50 + x) + 12
31 = (-50 * 0.889 + x * 0.889) + 12
31 = (-44.45 + 0.889x) + 12

Reorder the terms:
31 = -44.45 + 12 + 0.889x

Combine like terms: -44.45 + 12 = -32.45
31 = -32.45 + 0.889x

Solving
31 = -32.45 + 0.889x

Solving for variable 'x'.

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

Add '-0.889x' to each side of the equation.
31 + -0.889x = -32.45 + 0.889x + -0.889x

Combine like terms: 0.889x + -0.889x = 0.000
31 + -0.889x = -32.45 + 0.000
31 + -0.889x = -32.45

Add '-31' to each side of the equation.
31 + -31 + -0.889x = -32.45 + -31

Combine like terms: 31 + -31 = 0
0 + -0.889x = -32.45 + -31
-0.889x = -32.45 + -31

Combine like terms: -32.45 + -31 = -63.45
-0.889x = -63.45

Divide each side by '-0.889'.
x = 71.37232846

Simplifying
x = 71.37232846

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