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

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Solution for 9a+4b+4+4a+5b+7=0 equation:


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

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

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

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

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

Solving
11 + 13a + 9b = 0

Solving for variable 'a'.

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

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

Reorder the terms:
11 + -11 + 13a + 9b = 0 + -11

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

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

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

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

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

Simplifying
a = -0.8461538462 + -0.6923076923b

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