3(2(-1)+7)-3(-1)=18

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Solution for 3(2(-1)+7)-3(-1)=18 equation: 


Simplifying
3(2(-1) + 7) + -3(-1) = 18

Multiply 2 * -1
3(-2 + 7) + -3(-1) = 18

Combine like terms: -2 + 7 = 5
3(5) + -3(-1) = 18

Multiply 3 * 5
15 + -3(-1) = 18

Multiply -3 * -1
15 + 3 = 18

Combine like terms: 15 + 3 = 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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