.40x-0.20(x+40)=-0.05(40)

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Solution for .40x-0.20(x+40)=-0.05(40) equation: 


Simplifying
0.40x + -0.20(x + 40) = -0.05(40)

Reorder the terms:
0.40x + -0.20(40 + x) = -0.05(40)
0.40x + (40 * -0.20 + x * -0.20) = -0.05(40)
0.40x + (-8 + -0.20x) = -0.05(40)

Reorder the terms:
-8 + 0.40x + -0.20x = -0.05(40)

Combine like terms: 0.40x + -0.20x = 0.2x
-8 + 0.2x = -0.05(40)

Multiply -0.05 * 40
-8 + 0.2x = -2

Solving
-8 + 0.2x = -2

Solving for variable 'x'.

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

Add '8' to each side of the equation.
-8 + 8 + 0.2x = -2 + 8

Combine like terms: -8 + 8 = 0
0 + 0.2x = -2 + 8
0.2x = -2 + 8

Combine like terms: -2 + 8 = 6
0.2x = 6

Divide each side by '0.2'.
x = 30

Simplifying
x = 30

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