9+4a=4+5a

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Solution for 9+4a=4+5a equation:


Simplifying
9 + 4a = 4 + 5a

Solving
9 + 4a = 4 + 5a

Solving for variable 'a'.

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

Add '-5a' to each side of the equation.
9 + 4a + -5a = 4 + 5a + -5a

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

Combine like terms: 5a + -5a = 0
9 + -1a = 4 + 0
9 + -1a = 4

Add '-9' to each side of the equation.
9 + -9 + -1a = 4 + -9

Combine like terms: 9 + -9 = 0
0 + -1a = 4 + -9
-1a = 4 + -9

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

Divide each side by '-1'.
a = 5

Simplifying
a = 5

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