7(-4)-5(-7)-7=0

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Solution for 7(-4)-5(-7)-7=0 equation: 


Simplifying
7(-4) + -5(-7) + -7 = 0

Multiply 7 * -4
-28 + -5(-7) + -7 = 0

Multiply -5 * -7
-28 + 35 + -7 = 0

Combine like terms: -28 + 35 = 7
7 + -7 = 0

Combine like terms: 7 + -7 = 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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