-4=3b+b

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Solution for -4=3b+b equation:


Simplifying
-4 = 3b + b

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

Solving
-4 = 4b

Solving for variable 'b'.

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

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

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

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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