0.90(x+100)+0.50x=139

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Solution for 0.90(x+100)+0.50x=139 equation: 


Simplifying
0.90(x + 100) + 0.50x = 139

Reorder the terms:
0.90(100 + x) + 0.50x = 139
(100 * 0.90 + x * 0.90) + 0.50x = 139
(90 + 0.90x) + 0.50x = 139

Combine like terms: 0.90x + 0.50x = 1.4x
90 + 1.4x = 139

Solving
90 + 1.4x = 139

Solving for variable 'x'.

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

Add '-90' to each side of the equation.
90 + -90 + 1.4x = 139 + -90

Combine like terms: 90 + -90 = 0
0 + 1.4x = 139 + -90
1.4x = 139 + -90

Combine like terms: 139 + -90 = 49
1.4x = 49

Divide each side by '1.4'.
x = 35

Simplifying
x = 35

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