6a+9b=21

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Solution for 6a+9b=21 equation:


Simplifying
6a + 9b = 21

Solving
6a + 9b = 21

Solving for variable 'a'.

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

Add '-9b' to each side of the equation.
6a + 9b + -9b = 21 + -9b

Combine like terms: 9b + -9b = 0
6a + 0 = 21 + -9b
6a = 21 + -9b

Divide each side by '6'.
a = 3.5 + -1.5b

Simplifying
a = 3.5 + -1.5b

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