4(5)-7(4)=-8

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Solution for 4(5)-7(4)=-8 equation: 


Simplifying
4(5) + -7(4) = -8

Multiply 4 * 5
20 + -7(4) = -8

Multiply -7 * 4
20 + -28 = -8

Combine like terms: 20 + -28 = -8
-8 = -8

Add '8' to each side of the equation.
-8 + 8 = -8 + 8

Combine like terms: -8 + 8 = 0
0 = -8 + 8

Combine like terms: -8 + 8 = 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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