3-a+5-2a=17

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Solution for 3-a+5-2a=17 equation:


Simplifying
3 + -1a + 5 + -2a = 17

Reorder the terms:
3 + 5 + -1a + -2a = 17

Combine like terms: 3 + 5 = 8
8 + -1a + -2a = 17

Combine like terms: -1a + -2a = -3a
8 + -3a = 17

Solving
8 + -3a = 17

Solving for variable 'a'.

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

Add '-8' to each side of the equation.
8 + -8 + -3a = 17 + -8

Combine like terms: 8 + -8 = 0
0 + -3a = 17 + -8
-3a = 17 + -8

Combine like terms: 17 + -8 = 9
-3a = 9

Divide each side by '-3'.
a = -3

Simplifying
a = -3

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