0.9(x+80)+0.5x=121

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Solution for 0.9(x+80)+0.5x=121 equation: 


Simplifying
0.9(x + 80) + 0.5x = 121

Reorder the terms:
0.9(80 + x) + 0.5x = 121
(80 * 0.9 + x * 0.9) + 0.5x = 121
(72 + 0.9x) + 0.5x = 121

Combine like terms: 0.9x + 0.5x = 1.4x
72 + 1.4x = 121

Solving
72 + 1.4x = 121

Solving for variable 'x'.

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

Add '-72' to each side of the equation.
72 + -72 + 1.4x = 121 + -72

Combine like terms: 72 + -72 = 0
0 + 1.4x = 121 + -72
1.4x = 121 + -72

Combine like terms: 121 + -72 = 49
1.4x = 49

Divide each side by '1.4'.
x = 35

Simplifying
x = 35

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