.20(x-15)=.80

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Solution for .20(x-15)=.80 equation:


Simplifying
0.20(x + -15) = 0.80

Reorder the terms:
0.20(-15 + x) = 0.80
(-15 * 0.20 + x * 0.20) = 0.80
(-3 + 0.20x) = 0.80

Solving
-3 + 0.20x = 0.80

Solving for variable 'x'.

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

Add '3' to each side of the equation.
-3 + 3 + 0.20x = 0.80 + 3

Combine like terms: -3 + 3 = 0
0 + 0.20x = 0.80 + 3
0.20x = 0.80 + 3

Combine like terms: 0.80 + 3 = 3.8
0.20x = 3.8

Divide each side by '0.20'.
x = 19

Simplifying
x = 19

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