28+-7=7-2(-7)

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Solution for 28+-7=7-2(-7) equation: 


Simplifying
28 + -7 = 7 + -2(-7)

Combine like terms: 28 + -7 = 21
21 = 7 + -2(-7)

Multiply -2 * -7
21 = 7 + 14

Combine like terms: 7 + 14 = 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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