9+7a=8a+5

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Solution for 9+7a=8a+5 equation:


Simplifying
9 + 7a = 8a + 5

Reorder the terms:
9 + 7a = 5 + 8a

Solving
9 + 7a = 5 + 8a

Solving for variable 'a'.

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

Add '-8a' to each side of the equation.
9 + 7a + -8a = 5 + 8a + -8a

Combine like terms: 7a + -8a = -1a
9 + -1a = 5 + 8a + -8a

Combine like terms: 8a + -8a = 0
9 + -1a = 5 + 0
9 + -1a = 5

Add '-9' to each side of the equation.
9 + -9 + -1a = 5 + -9

Combine like terms: 9 + -9 = 0
0 + -1a = 5 + -9
-1a = 5 + -9

Combine like terms: 5 + -9 = -4
-1a = -4

Divide each side by '-1'.
a = 4

Simplifying
a = 4

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