4+2a+2-17=15

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Solution for 4+2a+2-17=15 equation:


Simplifying
4 + 2a + 2 + -17 = 15

Reorder the terms:
4 + 2 + -17 + 2a = 15

Combine like terms: 4 + 2 = 6
6 + -17 + 2a = 15

Combine like terms: 6 + -17 = -11
-11 + 2a = 15

Solving
-11 + 2a = 15

Solving for variable 'a'.

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

Add '11' to each side of the equation.
-11 + 11 + 2a = 15 + 11

Combine like terms: -11 + 11 = 0
0 + 2a = 15 + 11
2a = 15 + 11

Combine like terms: 15 + 11 = 26
2a = 26

Divide each side by '2'.
a = 13

Simplifying
a = 13

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