3(7)-1=2(7)+6

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Solution for 3(7)-1=2(7)+6 equation: 


Simplifying
3(7) + -1 = 2(7) + 6

Multiply 3 * 7
21 + -1 = 2(7) + 6

Combine like terms: 21 + -1 = 20
20 = 2(7) + 6

Multiply 2 * 7
20 = 14 + 6

Combine like terms: 14 + 6 = 20
20 = 20

Add '-20' to each side of the equation.
20 + -20 = 20 + -20

Combine like terms: 20 + -20 = 0
0 = 20 + -20

Combine like terms: 20 + -20 = 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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