1a+3b=9

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Solution for 1a+3b=9 equation: 


Simplifying
1a + 3b = 9

Solving
1a + 3b = 9

Solving for variable 'a'.

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

Add '-3b' to each side of the equation.
1a + 3b + -3b = 9 + -3b

Combine like terms: 3b + -3b = 0
1a + 0 = 9 + -3b
1a = 9 + -3b

Divide each side by '1'.
a = 9 + -3b

Simplifying
a = 9 + -3b

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