3+4(-0.5+5)=21

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Solution for 3+4(-0.5+5)=21 equation: 


Simplifying
3 + 4(-0.5 + 5) = 21

Combine like terms: -0.5 + 5 = 4.5
3 + 4(4.5) = 21

Multiply 4 * 4.5
3 + 18 = 21

Combine like terms: 3 + 18 = 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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