3a+(2a-5)=40

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Solution for 3a+(2a-5)=40 equation:


Simplifying
3a + (2a + -5) = 40

Reorder the terms:
3a + (-5 + 2a) = 40

Remove parenthesis around (-5 + 2a)
3a + -5 + 2a = 40

Reorder the terms:
-5 + 3a + 2a = 40

Combine like terms: 3a + 2a = 5a
-5 + 5a = 40

Solving
-5 + 5a = 40

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 = 40 + 5

Combine like terms: -5 + 5 = 0
0 + 5a = 40 + 5
5a = 40 + 5

Combine like terms: 40 + 5 = 45
5a = 45

Divide each side by '5'.
a = 9

Simplifying
a = 9

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