7a+2b-3a+9b=

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Solution for 7a+2b-3a+9b= equation:


Simplifying
7a + 2b + -3a + 9b = 0

Reorder the terms:
7a + -3a + 2b + 9b = 0

Combine like terms: 7a + -3a = 4a
4a + 2b + 9b = 0

Combine like terms: 2b + 9b = 11b
4a + 11b = 0

Solving
4a + 11b = 0

Solving for variable 'a'.

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

Add '-11b' to each side of the equation.
4a + 11b + -11b = 0 + -11b

Combine like terms: 11b + -11b = 0
4a + 0 = 0 + -11b
4a = 0 + -11b
Remove the zero:
4a = -11b

Divide each side by '4'.
a = -2.75b

Simplifying
a = -2.75b

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