4(10)-9(5)=-5

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Solution for 4(10)-9(5)=-5 equation: 


Simplifying
4(10) + -9(5) = -5

Multiply 4 * 10
40 + -9(5) = -5

Multiply -9 * 5
40 + -45 = -5

Combine like terms: 40 + -45 = -5
-5 = -5

Add '5' to each side of the equation.
-5 + 5 = -5 + 5

Combine like terms: -5 + 5 = 0
0 = -5 + 5

Combine like terms: -5 + 5 = 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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