-7(4b+2)+(2ab-9)=o

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Solution for -7(4b+2)+(2ab-9)=o equation: 


Simplifying
-7(4b + 2) + (2ab + -9) = o

Reorder the terms:
-7(2 + 4b) + (2ab + -9) = o
(2 * -7 + 4b * -7) + (2ab + -9) = o
(-14 + -28b) + (2ab + -9) = o

Reorder the terms:
-14 + -28b + (-9 + 2ab) = o

Remove parenthesis around (-9 + 2ab)
-14 + -28b + -9 + 2ab = o

Reorder the terms:
-14 + -9 + 2ab + -28b = o

Combine like terms: -14 + -9 = -23
-23 + 2ab + -28b = o

Solving
-23 + 2ab + -28b = o

Solving for variable 'a'.

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

Add '23' to each side of the equation.
-23 + 2ab + 23 + -28b = 23 + o

Reorder the terms:
-23 + 23 + 2ab + -28b = 23 + o

Combine like terms: -23 + 23 = 0
0 + 2ab + -28b = 23 + o
2ab + -28b = 23 + o

Add '28b' to each side of the equation.
2ab + -28b + 28b = 23 + 28b + o

Combine like terms: -28b + 28b = 0
2ab + 0 = 23 + 28b + o
2ab = 23 + 28b + o

Divide each side by '2b'.
a = 11.5b-1 + 14 + 0.5b-1o

Simplifying
a = 11.5b-1 + 14 + 0.5b-1o

Reorder the terms:
a = 14 + 11.5b-1 + 0.5b-1o

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