3b-4-8b-7=

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Solution for 3b-4-8b-7= equation:


Simplifying
3b + -4 + -8b + -7 = 0

Reorder the terms:
-4 + -7 + 3b + -8b = 0

Combine like terms: -4 + -7 = -11
-11 + 3b + -8b = 0

Combine like terms: 3b + -8b = -5b
-11 + -5b = 0

Solving
-11 + -5b = 0

Solving for variable 'b'.

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

Add '11' to each side of the equation.
-11 + 11 + -5b = 0 + 11

Combine like terms: -11 + 11 = 0
0 + -5b = 0 + 11
-5b = 0 + 11

Combine like terms: 0 + 11 = 11
-5b = 11

Divide each side by '-5'.
b = -2.2

Simplifying
b = -2.2

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