4-4*7+3=-21

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Solution for 4-4*7+3=-21 equation: 


Simplifying
4 + -4 * 7 + 3 = -21

Multiply -4 * 7
4 + -28 + 3 = -21

Combine like terms: 4 + -28 = -24
-24 + 3 = -21

Combine like terms: -24 + 3 = -21
-21 = -21

Add '21' to each side of the equation.
-21 + 21 = -21 + 21

Combine like terms: -21 + 21 = 0
0 = -21 + 21

Combine like terms: -21 + 21 = 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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