2[100-80]-[100-2(50-60)]=

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Solution for 2[100-80]-[100-2(50-60)]= equation: 


Simplifying
2[100 + -80] + -1[100 + -2(50 + -60)] = 0

Combine like terms: 100 + -80 = 20
2[20] + -1[100 + -2(50 + -60)] = 0

Multiply 2 * 20
40 + -1[100 + -2(50 + -60)] = 0

Combine like terms: 50 + -60 = -10
40 + -1[100 + -2(-10)] = 0

Multiply -2 * -10
40 + -1[100 + 20] = 0

Combine like terms: 100 + 20 = 120
40 + -1[120] = 0

Multiply -1 * 120
40 + -120 = 0

Combine like terms: 40 + -120 = -80
-80 = 0

Solving
-80 = 0

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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