1+4a-4=9

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Solution for 1+4a-4=9 equation: 


Simplifying
1 + 4a + -4 = 9

Reorder the terms:
1 + -4 + 4a = 9

Combine like terms: 1 + -4 = -3
-3 + 4a = 9

Solving
-3 + 4a = 9

Solving for variable 'a'.

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

Add '3' to each side of the equation.
-3 + 3 + 4a = 9 + 3

Combine like terms: -3 + 3 = 0
0 + 4a = 9 + 3
4a = 9 + 3

Combine like terms: 9 + 3 = 12
4a = 12

Divide each side by '4'.
a = 3

Simplifying
a = 3

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