.80x+.50(40)=.40(56)

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Solution for .80x+.50(40)=.40(56) equation:


Simplifying
0.80x + 0.50(40) = 0.40(56)

Multiply 0.50 * 40
0.80x + 20 = 0.40(56)

Reorder the terms:
20 + 0.80x = 0.40(56)

Multiply 0.40 * 56
20 + 0.80x = 22.4

Solving
20 + 0.80x = 22.4

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 + 0.80x = 22.4 + -20

Combine like terms: 20 + -20 = 0
0 + 0.80x = 22.4 + -20
0.80x = 22.4 + -20

Combine like terms: 22.4 + -20 = 2.4
0.80x = 2.4

Divide each side by '0.80'.
x = 3

Simplifying
x = 3

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