(3a-5)+2a=90

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Solution for (3a-5)+2a=90 equation:


Simplifying
(3a + -5) + 2a = 90

Reorder the terms:
(-5 + 3a) + 2a = 90

Remove parenthesis around (-5 + 3a)
-5 + 3a + 2a = 90

Combine like terms: 3a + 2a = 5a
-5 + 5a = 90

Solving
-5 + 5a = 90

Solving for variable 'a'.

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

Add '5' to each side of the equation.
-5 + 5 + 5a = 90 + 5

Combine like terms: -5 + 5 = 0
0 + 5a = 90 + 5
5a = 90 + 5

Combine like terms: 90 + 5 = 95
5a = 95

Divide each side by '5'.
a = 19

Simplifying
a = 19

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