25=-4+13-4(-4)

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Solution for 25=-4+13-4(-4) equation: 


Simplifying
25 = -4 + 13 + -4(-4)

Multiply -4 * -4
25 = -4 + 13 + 16

Combine like terms: -4 + 13 = 9
25 = 9 + 16

Combine like terms: 9 + 16 = 25
25 = 25

Add '-25' to each side of the equation.
25 + -25 = 25 + -25

Combine like terms: 25 + -25 = 0
0 = 25 + -25

Combine like terms: 25 + -25 = 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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