8a-4-2=31

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Solution for 8a-4-2=31 equation:


Simplifying
8a + -4 + -2 = 31

Reorder the terms:
-4 + -2 + 8a = 31

Combine like terms: -4 + -2 = -6
-6 + 8a = 31

Solving
-6 + 8a = 31

Solving for variable 'a'.

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

Add '6' to each side of the equation.
-6 + 6 + 8a = 31 + 6

Combine like terms: -6 + 6 = 0
0 + 8a = 31 + 6
8a = 31 + 6

Combine like terms: 31 + 6 = 37
8a = 37

Divide each side by '8'.
a = 4.625

Simplifying
a = 4.625

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