(3a-2)+5a=57

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Solution for (3a-2)+5a=57 equation:


Simplifying
(3a + -2) + 5a = 57

Reorder the terms:
(-2 + 3a) + 5a = 57

Remove parenthesis around (-2 + 3a)
-2 + 3a + 5a = 57

Combine like terms: 3a + 5a = 8a
-2 + 8a = 57

Solving
-2 + 8a = 57

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 + 8a = 57 + 2

Combine like terms: -2 + 2 = 0
0 + 8a = 57 + 2
8a = 57 + 2

Combine like terms: 57 + 2 = 59
8a = 59

Divide each side by '8'.
a = 7.375

Simplifying
a = 7.375

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