100-[(8*5)+20]=40

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Solution for 100-[(8*5)+20]=40 equation: 


Simplifying
100 + -1[(8 * 5) + 20] = 40

Multiply 8 * 5
100 + -1[(40) + 20] = 40
100 + -1[40 + 20] = 40

Combine like terms: 40 + 20 = 60
100 + -1[60] = 40

Multiply -1 * 60
100 + -60 = 40

Combine like terms: 100 + -60 = 40
40 = 40

Add '-40' to each side of the equation.
40 + -40 = 40 + -40

Combine like terms: 40 + -40 = 0
0 = 40 + -40

Combine like terms: 40 + -40 = 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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