8-3a=a-17

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Solution for 8-3a=a-17 equation:


Simplifying
8 + -3a = a + -17

Reorder the terms:
8 + -3a = -17 + a

Solving
8 + -3a = -17 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
8 + -3a + -1a = -17 + a + -1a

Combine like terms: -3a + -1a = -4a
8 + -4a = -17 + a + -1a

Combine like terms: a + -1a = 0
8 + -4a = -17 + 0
8 + -4a = -17

Add '-8' to each side of the equation.
8 + -8 + -4a = -17 + -8

Combine like terms: 8 + -8 = 0
0 + -4a = -17 + -8
-4a = -17 + -8

Combine like terms: -17 + -8 = -25
-4a = -25

Divide each side by '-4'.
a = 6.25

Simplifying
a = 6.25

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