# 9-(-21)+10=

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## Solution for 9-(-21)+10= equation:

Simplifying
9 + -1(-21) + 10 = 0
Multiply -1 * -21
9 + 21 + 10 = 0
Combine like terms: 9 + 21 = 30
30 + 10 = 0
Combine like terms: 30 + 10 = 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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