(ab+8+1)-(-6ab+4)=

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Solution for (ab+8+1)-(-6ab+4)= equation:


Simplifying
(ab + 8 + 1) + -1(-6ab + 4) = 0

Reorder the terms:
(8 + 1 + ab) + -1(-6ab + 4) = 0

Combine like terms: 8 + 1 = 9
(9 + ab) + -1(-6ab + 4) = 0

Remove parenthesis around (9 + ab)
9 + ab + -1(-6ab + 4) = 0

Reorder the terms:
9 + ab + -1(4 + -6ab) = 0
9 + ab + (4 * -1 + -6ab * -1) = 0
9 + ab + (-4 + 6ab) = 0

Reorder the terms:
9 + -4 + ab + 6ab = 0

Combine like terms: 9 + -4 = 5
5 + ab + 6ab = 0

Combine like terms: ab + 6ab = 7ab
5 + 7ab = 0

Solving
5 + 7ab = 0

Solving for variable 'a'.

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

Add '-5' to each side of the equation.
5 + -5 + 7ab = 0 + -5

Combine like terms: 5 + -5 = 0
0 + 7ab = 0 + -5
7ab = 0 + -5

Combine like terms: 0 + -5 = -5
7ab = -5

Divide each side by '7b'.
a = -0.7142857143b-1

Simplifying
a = -0.7142857143b-1

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