0.4-0.8(3-x)=18

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Solution for 0.4-0.8(3-x)=18 equation:


Simplifying
0.4 + -0.8(3 + -1x) = 18
0.4 + (3 * -0.8 + -1x * -0.8) = 18
0.4 + (-2.4 + 0.8x) = 18

Combine like terms: 0.4 + -2.4 = -2
-2 + 0.8x = 18

Solving
-2 + 0.8x = 18

Solving for variable 'x'.

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

Add '2' to each side of the equation.
-2 + 2 + 0.8x = 18 + 2

Combine like terms: -2 + 2 = 0
0 + 0.8x = 18 + 2
0.8x = 18 + 2

Combine like terms: 18 + 2 = 20
0.8x = 20

Divide each side by '0.8'.
x = 25

Simplifying
x = 25

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