9-2a+4=8+a

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Solution for 9-2a+4=8+a equation:


Simplifying
9 + -2a + 4 = 8 + a

Reorder the terms:
9 + 4 + -2a = 8 + a

Combine like terms: 9 + 4 = 13
13 + -2a = 8 + a

Solving
13 + -2a = 8 + 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.
13 + -2a + -1a = 8 + a + -1a

Combine like terms: -2a + -1a = -3a
13 + -3a = 8 + a + -1a

Combine like terms: a + -1a = 0
13 + -3a = 8 + 0
13 + -3a = 8

Add '-13' to each side of the equation.
13 + -13 + -3a = 8 + -13

Combine like terms: 13 + -13 = 0
0 + -3a = 8 + -13
-3a = 8 + -13

Combine like terms: 8 + -13 = -5
-3a = -5

Divide each side by '-3'.
a = 1.666666667

Simplifying
a = 1.666666667

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