17=8a-7+4a

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Solution for 17=8a-7+4a equation:


Simplifying
17 = 8a + -7 + 4a

Reorder the terms:
17 = -7 + 8a + 4a

Combine like terms: 8a + 4a = 12a
17 = -7 + 12a

Solving
17 = -7 + 12a

Solving for variable 'a'.

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

Add '-12a' to each side of the equation.
17 + -12a = -7 + 12a + -12a

Combine like terms: 12a + -12a = 0
17 + -12a = -7 + 0
17 + -12a = -7

Add '-17' to each side of the equation.
17 + -17 + -12a = -7 + -17

Combine like terms: 17 + -17 = 0
0 + -12a = -7 + -17
-12a = -7 + -17

Combine like terms: -7 + -17 = -24
-12a = -24

Divide each side by '-12'.
a = 2

Simplifying
a = 2

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