3a-5=40-2a

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Solution for 3a-5=40-2a equation:


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

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

Solving
-5 + 3a = 40 + -2a

Solving for variable 'a'.

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

Add '2a' to each side of the equation.
-5 + 3a + 2a = 40 + -2a + 2a

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

Combine like terms: -2a + 2a = 0
-5 + 5a = 40 + 0
-5 + 5a = 40

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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