7(3)-3=2(3)+12

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Solution for 7(3)-3=2(3)+12 equation: 


Simplifying
7(3) + -3 = 2(3) + 12

Multiply 7 * 3
21 + -3 = 2(3) + 12

Combine like terms: 21 + -3 = 18
18 = 2(3) + 12

Multiply 2 * 3
18 = 6 + 12

Combine like terms: 6 + 12 = 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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