900*5-20+15-30*3-20+10=

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Solution for 900*5-20+15-30*3-20+10= equation: 


Simplifying
900 * 5 + -20 + 15 + -30 * 3 + -20 + 10 = 0

Multiply 900 * 5
4500 + -20 + 15 + -30 * 3 + -20 + 10 = 0

Multiply -30 * 3
4500 + -20 + 15 + -90 + -20 + 10 = 0

Combine like terms: 4500 + -20 = 4480
4480 + 15 + -90 + -20 + 10 = 0

Combine like terms: 4480 + 15 = 4495
4495 + -90 + -20 + 10 = 0

Combine like terms: 4495 + -90 = 4405
4405 + -20 + 10 = 0

Combine like terms: 4405 + -20 = 4385
4385 + 10 = 0

Combine like terms: 4385 + 10 = 4395
4395 = 0

Solving
4395 = 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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