a-5=3a+9

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Solution for a-5=3a+9 equation:


Simplifying
a + -5 = 3a + 9

Reorder the terms:
-5 + a = 3a + 9

Reorder the terms:
-5 + a = 9 + 3a

Solving
-5 + a = 9 + 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.
-5 + a + -3a = 9 + 3a + -3a

Combine like terms: a + -3a = -2a
-5 + -2a = 9 + 3a + -3a

Combine like terms: 3a + -3a = 0
-5 + -2a = 9 + 0
-5 + -2a = 9

Add '5' to each side of the equation.
-5 + 5 + -2a = 9 + 5

Combine like terms: -5 + 5 = 0
0 + -2a = 9 + 5
-2a = 9 + 5

Combine like terms: 9 + 5 = 14
-2a = 14

Divide each side by '-2'.
a = -7

Simplifying
a = -7

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