15=2(-1+6)-5(-1)

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Solution for 15=2(-1+6)-5(-1) equation: 


Simplifying
15 = 2(-1 + 6) + -5(-1)

Combine like terms: -1 + 6 = 5
15 = 2(5) + -5(-1)

Multiply 2 * 5
15 = 10 + -5(-1)

Multiply -5 * -1
15 = 10 + 5

Combine like terms: 10 + 5 = 15
15 = 15

Add '-15' to each side of the equation.
15 + -15 = 15 + -15

Combine like terms: 15 + -15 = 0
0 = 15 + -15

Combine like terms: 15 + -15 = 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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