-5(-9)+6=-4(-9)+15

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Solution for -5(-9)+6=-4(-9)+15 equation: 


Simplifying
-5(-9) + 6 = -4(-9) + 15

Multiply -5 * -9
45 + 6 = -4(-9) + 15

Combine like terms: 45 + 6 = 51
51 = -4(-9) + 15

Multiply -4 * -9
51 = 36 + 15

Combine like terms: 36 + 15 = 51
51 = 51

Add '-51' to each side of the equation.
51 + -51 = 51 + -51

Combine like terms: 51 + -51 = 0
0 = 51 + -51

Combine like terms: 51 + -51 = 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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