3a+5=15+2

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Solution for 3a+5=15+2 equation: 


Simplifying
3a + 5 = 15 + 2

Reorder the terms:
5 + 3a = 15 + 2

Combine like terms: 15 + 2 = 17
5 + 3a = 17

Solving
5 + 3a = 17

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 + 3a = 17 + -5

Combine like terms: 5 + -5 = 0
0 + 3a = 17 + -5
3a = 17 + -5

Combine like terms: 17 + -5 = 12
3a = 12

Divide each side by '3'.
a = 4

Simplifying
a = 4

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