40(0.9-0.8)=5(0.8)

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Solution for 40(0.9-0.8)=5(0.8) equation: 


Simplifying
40(0.9 + -0.8) = 5(0.8)

Combine like terms: 0.9 + -0.8 = 0.1
40(0.1) = 5(0.8)

Multiply 40 * 0.1
4 = 5(0.8)

Multiply 5 * 0.8
4 = 4

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

Combine like terms: 4 + -4 = 0
0 = 4 + -4

Combine like terms: 4 + -4 = 0
0 = 0

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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