0.8x+20=100

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Solution for 0.8x+20=100 equation: 


Simplifying
0.8x + 20 = 100

Reorder the terms:
20 + 0.8x = 100

Solving
20 + 0.8x = 100

Solving for variable 'x'.

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

Add '-20' to each side of the equation.
20 + -20 + 0.8x = 100 + -20

Combine like terms: 20 + -20 = 0
0 + 0.8x = 100 + -20
0.8x = 100 + -20

Combine like terms: 100 + -20 = 80
0.8x = 80

Divide each side by '0.8'.
x = 100

Simplifying
x = 100

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