3a-5-a+3=18

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Solution for 3a-5-a+3=18 equation:


Simplifying
3a + -5 + -1a + 3 = 18

Reorder the terms:
-5 + 3 + 3a + -1a = 18

Combine like terms: -5 + 3 = -2
-2 + 3a + -1a = 18

Combine like terms: 3a + -1a = 2a
-2 + 2a = 18

Solving
-2 + 2a = 18

Solving for variable 'a'.

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

Add '2' to each side of the equation.
-2 + 2 + 2a = 18 + 2

Combine like terms: -2 + 2 = 0
0 + 2a = 18 + 2
2a = 18 + 2

Combine like terms: 18 + 2 = 20
2a = 20

Divide each side by '2'.
a = 10

Simplifying
a = 10

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