-3-7(-3)=18

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Solution for -3-7(-3)=18 equation: 


Simplifying
-3 + -7(-3) = 18

Multiply -7 * -3
-3 + 21 = 18

Combine like terms: -3 + 21 = 18
18 = 18

Add '-18' to each side of the equation.
18 + -18 = 18 + -18

Combine like terms: 18 + -18 = 0
0 = 18 + -18

Combine like terms: 18 + -18 = 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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