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

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


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

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

Multiply 7 * -1
1 + 3 + -7 = -3

Combine like terms: 1 + 3 = 4
4 + -7 = -3

Combine like terms: 4 + -7 = -3
-3 = -3

Add '3' to each side of the equation.
-3 + 3 = -3 + 3

Combine like terms: -3 + 3 = 0
0 = -3 + 3

Combine like terms: -3 + 3 = 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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