3b-5-8b-7=

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Solution for 3b-5-8b-7= equation:


Simplifying
3b + -5 + -8b + -7 = 0

Reorder the terms:
-5 + -7 + 3b + -8b = 0

Combine like terms: -5 + -7 = -12
-12 + 3b + -8b = 0

Combine like terms: 3b + -8b = -5b
-12 + -5b = 0

Solving
-12 + -5b = 0

Solving for variable 'b'.

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

Add '12' to each side of the equation.
-12 + 12 + -5b = 0 + 12

Combine like terms: -12 + 12 = 0
0 + -5b = 0 + 12
-5b = 0 + 12

Combine like terms: 0 + 12 = 12
-5b = 12

Divide each side by '-5'.
b = -2.4

Simplifying
b = -2.4

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