20+a-33=3+9a

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Solution for 20+a-33=3+9a equation:


Simplifying
20 + a + -33 = 3 + 9a

Reorder the terms:
20 + -33 + a = 3 + 9a

Combine like terms: 20 + -33 = -13
-13 + a = 3 + 9a

Solving
-13 + a = 3 + 9a

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '-9a' to each side of the equation.
-13 + a + -9a = 3 + 9a + -9a

Combine like terms: a + -9a = -8a
-13 + -8a = 3 + 9a + -9a

Combine like terms: 9a + -9a = 0
-13 + -8a = 3 + 0
-13 + -8a = 3

Add '13' to each side of the equation.
-13 + 13 + -8a = 3 + 13

Combine like terms: -13 + 13 = 0
0 + -8a = 3 + 13
-8a = 3 + 13

Combine like terms: 3 + 13 = 16
-8a = 16

Divide each side by '-8'.
a = -2

Simplifying
a = -2

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