3b-4-7b=

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


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

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

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

Solving
-4 + -4b = 0

Solving for variable 'b'.

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

Add '4' to each side of the equation.
-4 + 4 + -4b = 0 + 4

Combine like terms: -4 + 4 = 0
0 + -4b = 0 + 4
-4b = 0 + 4

Combine like terms: 0 + 4 = 4
-4b = 4

Divide each side by '-4'.
b = -1

Simplifying
b = -1

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