-9(a+3)=-9a-20-7

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Solution for -9(a+3)=-9a-20-7 equation:


Simplifying
-9(a + 3) = -9a + -20 + -7

Reorder the terms:
-9(3 + a) = -9a + -20 + -7
(3 * -9 + a * -9) = -9a + -20 + -7
(-27 + -9a) = -9a + -20 + -7

Reorder the terms:
-27 + -9a = -20 + -7 + -9a

Combine like terms: -20 + -7 = -27
-27 + -9a = -27 + -9a

Add '27' to each side of the equation.
-27 + 27 + -9a = -27 + 27 + -9a

Combine like terms: -27 + 27 = 0
0 + -9a = -27 + 27 + -9a
-9a = -27 + 27 + -9a

Combine like terms: -27 + 27 = 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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