.9(x+100)+.5=139

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Solution for .9(x+100)+.5=139 equation: 


Simplifying
0.9(x + 100) + 0.5 = 139

Reorder the terms:
0.9(100 + x) + 0.5 = 139
(100 * 0.9 + x * 0.9) + 0.5 = 139
(90 + 0.9x) + 0.5 = 139

Reorder the terms:
90 + 0.5 + 0.9x = 139

Combine like terms: 90 + 0.5 = 90.5
90.5 + 0.9x = 139

Solving
90.5 + 0.9x = 139

Solving for variable 'x'.

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

Add '-90.5' to each side of the equation.
90.5 + -90.5 + 0.9x = 139 + -90.5

Combine like terms: 90.5 + -90.5 = 0.0
0.0 + 0.9x = 139 + -90.5
0.9x = 139 + -90.5

Combine like terms: 139 + -90.5 = 48.5
0.9x = 48.5

Divide each side by '0.9'.
x = 53.88888889

Simplifying
x = 53.88888889

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