3a+8+a-9-2=

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Solution for 3a+8+a-9-2= equation:


Simplifying
3a + 8 + a + -9 + -2 = 0

Reorder the terms:
8 + -9 + -2 + 3a + a = 0

Combine like terms: 8 + -9 = -1
-1 + -2 + 3a + a = 0

Combine like terms: -1 + -2 = -3
-3 + 3a + a = 0

Combine like terms: 3a + a = 4a
-3 + 4a = 0

Solving
-3 + 4a = 0

Solving for variable 'a'.

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

Add '3' to each side of the equation.
-3 + 3 + 4a = 0 + 3

Combine like terms: -3 + 3 = 0
0 + 4a = 0 + 3
4a = 0 + 3

Combine like terms: 0 + 3 = 3
4a = 3

Divide each side by '4'.
a = 0.75

Simplifying
a = 0.75

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