.80x+.20(20)=.40(56)

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Solution for .80x+.20(20)=.40(56) equation: 


Simplifying
0.80x + 0.20(20) = 0.40(56)

Multiply 0.20 * 20
0.80x + 4 = 0.40(56)

Reorder the terms:
4 + 0.80x = 0.40(56)

Multiply 0.40 * 56
4 + 0.80x = 22.4

Solving
4 + 0.80x = 22.4

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + 0.80x = 22.4 + -4

Combine like terms: 4 + -4 = 0
0 + 0.80x = 22.4 + -4
0.80x = 22.4 + -4

Combine like terms: 22.4 + -4 = 18.4
0.80x = 18.4

Divide each side by '0.80'.
x = 23

Simplifying
x = 23

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