30-10*4-(20-30)*5=

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Solution for 30-10*4-(20-30)*5= equation: 


Simplifying
30 + -10 * 4 + -1(20 + -30) * 5 = 0

Multiply -10 * 4
30 + -40 + -1(20 + -30) * 5 = 0

Combine like terms: 20 + -30 = -10
30 + -40 + -1(-10) * 5 = 0

Multiply -1 * -10
30 + -40 + 10 * 5 = 0

Multiply 10 * 5
30 + -40 + 50 = 0

Combine like terms: 30 + -40 = -10
-10 + 50 = 0

Combine like terms: -10 + 50 = 40
40 = 0

Solving
40 = 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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