5a-a-8=15+3

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Solution for 5a-a-8=15+3 equation:


Simplifying
5a + -1a + -8 = 15 + 3

Reorder the terms:
-8 + 5a + -1a = 15 + 3

Combine like terms: 5a + -1a = 4a
-8 + 4a = 15 + 3

Combine like terms: 15 + 3 = 18
-8 + 4a = 18

Solving
-8 + 4a = 18

Solving for variable 'a'.

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

Add '8' to each side of the equation.
-8 + 8 + 4a = 18 + 8

Combine like terms: -8 + 8 = 0
0 + 4a = 18 + 8
4a = 18 + 8

Combine like terms: 18 + 8 = 26
4a = 26

Divide each side by '4'.
a = 6.5

Simplifying
a = 6.5

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