7a+3b+9=

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


Simplifying
7a + 3b + 9 = 0

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

Solving
9 + 7a + 3b = 0

Solving for variable 'a'.

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

Add '-9' to each side of the equation.
9 + 7a + -9 + 3b = 0 + -9

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

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

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

Add '-3b' to each side of the equation.
7a + 3b + -3b = -9 + -3b

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

Divide each side by '7'.
a = -1.285714286 + -0.4285714286b

Simplifying
a = -1.285714286 + -0.4285714286b

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