0.80x+0.10(200)=0.40(128)

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Solution for 0.80x+0.10(200)=0.40(128) equation: 


Simplifying
0.80x + 0.10(200) = 0.40(128)

Multiply 0.10 * 200
0.80x + 20 = 0.40(128)

Reorder the terms:
20 + 0.80x = 0.40(128)

Multiply 0.40 * 128
20 + 0.80x = 51.2

Solving
20 + 0.80x = 51.2

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 = 51.2 + -20

Combine like terms: 20 + -20 = 0
0 + 0.80x = 51.2 + -20
0.80x = 51.2 + -20

Combine like terms: 51.2 + -20 = 31.2
0.80x = 31.2

Divide each side by '0.80'.
x = 39

Simplifying
x = 39

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