500-399-(4.99*20)=500-498.80

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Solution for 500-399-(4.99*20)=500-498.80 equation: 


Simplifying
500 + -399 + -1(4.99 * 20) = 500 + -498.80

Multiply 4.99 * 20
500 + -399 + -1(99.8) = 500 + -498.80

Multiply -1 * 99.8
500 + -399 + -99.8 = 500 + -498.80

Combine like terms: 500 + -399 = 101
101 + -99.8 = 500 + -498.80

Combine like terms: 101 + -99.8 = 1.2
1.2 = 500 + -498.80

Combine like terms: 500 + -498.80 = 1.2
1.2 = 1.2

Add '-1.2' to each side of the equation.
1.2 + -1.2 = 1.2 + -1.2

Combine like terms: 1.2 + -1.2 = 0.0
0.0 = 1.2 + -1.2

Combine like terms: 1.2 + -1.2 = 0.0
0.0 = 0.0

Solving
0.0 = 0.0

Couldn't find a variable to solve for.

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

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