4(3ab-4)+2(ab+9)=

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Solution for 4(3ab-4)+2(ab+9)= equation:


Simplifying
4(3ab + -4) + 2(ab + 9) = 0

Reorder the terms:
4(-4 + 3ab) + 2(ab + 9) = 0
(-4 * 4 + 3ab * 4) + 2(ab + 9) = 0
(-16 + 12ab) + 2(ab + 9) = 0

Reorder the terms:
-16 + 12ab + 2(9 + ab) = 0
-16 + 12ab + (9 * 2 + ab * 2) = 0
-16 + 12ab + (18 + 2ab) = 0

Reorder the terms:
-16 + 18 + 12ab + 2ab = 0

Combine like terms: -16 + 18 = 2
2 + 12ab + 2ab = 0

Combine like terms: 12ab + 2ab = 14ab
2 + 14ab = 0

Solving
2 + 14ab = 0

Solving for variable 'a'.

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

Add '-2' to each side of the equation.
2 + -2 + 14ab = 0 + -2

Combine like terms: 2 + -2 = 0
0 + 14ab = 0 + -2
14ab = 0 + -2

Combine like terms: 0 + -2 = -2
14ab = -2

Divide each side by '14b'.
a = -0.1428571429b-1

Simplifying
a = -0.1428571429b-1

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