=9a+4b+4+4a+5b+7

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Solution for =9a+4b+4+4a+5b+7 equation:


Simplifying
0 = 9a + 4b + 4 + 4a + 5b + 7

Reorder the terms:
0 = 4 + 7 + 9a + 4a + 4b + 5b

Combine like terms: 4 + 7 = 11
0 = 11 + 9a + 4a + 4b + 5b

Combine like terms: 9a + 4a = 13a
0 = 11 + 13a + 4b + 5b

Combine like terms: 4b + 5b = 9b
0 = 11 + 13a + 9b

Solving
0 = 11 + 13a + 9b

Solving for variable 'a'.

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

Add '-13a' to each side of the equation.
0 + -13a = 11 + 13a + -13a + 9b
Remove the zero:
-13a = 11 + 13a + -13a + 9b

Combine like terms: 13a + -13a = 0
-13a = 11 + 0 + 9b
-13a = 11 + 9b

Divide each side by '-13'.
a = -0.8461538462 + -0.6923076923b

Simplifying
a = -0.8461538462 + -0.6923076923b

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