3a+7b+9a-3b=

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Solution for 3a+7b+9a-3b= equation:


Simplifying
3a + 7b + 9a + -3b = 0

Reorder the terms:
3a + 9a + 7b + -3b = 0

Combine like terms: 3a + 9a = 12a
12a + 7b + -3b = 0

Combine like terms: 7b + -3b = 4b
12a + 4b = 0

Solving
12a + 4b = 0

Solving for variable 'a'.

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

Add '-4b' to each side of the equation.
12a + 4b + -4b = 0 + -4b

Combine like terms: 4b + -4b = 0
12a + 0 = 0 + -4b
12a = 0 + -4b
Remove the zero:
12a = -4b

Divide each side by '12'.
a = -0.3333333333b

Simplifying
a = -0.3333333333b

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