7a+3b-4a-9b=

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Solution for 7a+3b-4a-9b= equation:


Simplifying
7a + 3b + -4a + -9b = 0

Reorder the terms:
7a + -4a + 3b + -9b = 0

Combine like terms: 7a + -4a = 3a
3a + 3b + -9b = 0

Combine like terms: 3b + -9b = -6b
3a + -6b = 0

Solving
3a + -6b = 0

Solving for variable 'a'.

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

Add '6b' to each side of the equation.
3a + -6b + 6b = 0 + 6b

Combine like terms: -6b + 6b = 0
3a + 0 = 0 + 6b
3a = 0 + 6b
Remove the zero:
3a = 6b

Divide each side by '3'.
a = 2b

Simplifying
a = 2b

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