0.8(x+80)+.2x=89

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Solution for 0.8(x+80)+.2x=89 equation:


Simplifying
0.8(x + 80) + 0.2x = 89

Reorder the terms:
0.8(80 + x) + 0.2x = 89
(80 * 0.8 + x * 0.8) + 0.2x = 89
(64 + 0.8x) + 0.2x = 89

Combine like terms: 0.8x + 0.2x = 1x
64 + 1x = 89

Solving
64 + 1x = 89

Solving for variable 'x'.

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

Add '-64' to each side of the equation.
64 + -64 + 1x = 89 + -64

Combine like terms: 64 + -64 = 0
0 + 1x = 89 + -64
1x = 89 + -64

Combine like terms: 89 + -64 = 25
1x = 25

Divide each side by '1'.
x = 25

Simplifying
x = 25

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