3(5)-(-4)=19

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Solution for 3(5)-(-4)=19 equation: 


Simplifying
3(5) + -1(-4) = 19

Multiply 3 * 5
15 + -1(-4) = 19

Multiply -1 * -4
15 + 4 = 19

Combine like terms: 15 + 4 = 19
19 = 19

Add '-19' to each side of the equation.
19 + -19 = 19 + -19

Combine like terms: 19 + -19 = 0
0 = 19 + -19

Combine like terms: 19 + -19 = 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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