5-8a-16=7+a

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Solution for 5-8a-16=7+a equation:


Simplifying
5 + -8a + -16 = 7 + a

Reorder the terms:
5 + -16 + -8a = 7 + a

Combine like terms: 5 + -16 = -11
-11 + -8a = 7 + a

Solving
-11 + -8a = 7 + 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.
-11 + -8a + -1a = 7 + a + -1a

Combine like terms: -8a + -1a = -9a
-11 + -9a = 7 + a + -1a

Combine like terms: a + -1a = 0
-11 + -9a = 7 + 0
-11 + -9a = 7

Add '11' to each side of the equation.
-11 + 11 + -9a = 7 + 11

Combine like terms: -11 + 11 = 0
0 + -9a = 7 + 11
-9a = 7 + 11

Combine like terms: 7 + 11 = 18
-9a = 18

Divide each side by '-9'.
a = -2

Simplifying
a = -2

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