(9a-27)-4=9a+(-27-4)

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Solution for (9a-27)-4=9a+(-27-4) equation: 


Simplifying
(9a + -27) + -4 = 9a + (-27 + -4)

Reorder the terms:
(-27 + 9a) + -4 = 9a + (-27 + -4)

Remove parenthesis around (-27 + 9a)
-27 + 9a + -4 = 9a + (-27 + -4)

Reorder the terms:
-27 + -4 + 9a = 9a + (-27 + -4)

Combine like terms: -27 + -4 = -31
-31 + 9a = 9a + (-27 + -4)

Combine like terms: -27 + -4 = -31
-31 + 9a = 9a + (-31)
-31 + 9a = 9a + -31

Reorder the terms:
-31 + 9a = -31 + 9a

Add '31' to each side of the equation.
-31 + 31 + 9a = -31 + 31 + 9a

Combine like terms: -31 + 31 = 0
0 + 9a = -31 + 31 + 9a
9a = -31 + 31 + 9a

Combine like terms: -31 + 31 = 0
9a = 0 + 9a
9a = 9a

Add '-9a' to each side of the equation.
9a + -9a = 9a + -9a

Combine like terms: 9a + -9a = 0
0 = 9a + -9a

Combine like terms: 9a + -9a = 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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