1+3a+5a=9

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Solution for 1+3a+5a=9 equation: 


Simplifying
1 + 3a + 5a = 9

Combine like terms: 3a + 5a = 8a
1 + 8a = 9

Solving
1 + 8a = 9

Solving for variable 'a'.

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

Add '-1' to each side of the equation.
1 + -1 + 8a = 9 + -1

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

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

Divide each side by '8'.
a = 1

Simplifying
a = 1

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