4b-4=21b+3

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Solution for 4b-4=21b+3 equation:


Simplifying
4b + -4 = 21b + 3

Reorder the terms:
-4 + 4b = 21b + 3

Reorder the terms:
-4 + 4b = 3 + 21b

Solving
-4 + 4b = 3 + 21b

Solving for variable 'b'.

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

Add '-21b' to each side of the equation.
-4 + 4b + -21b = 3 + 21b + -21b

Combine like terms: 4b + -21b = -17b
-4 + -17b = 3 + 21b + -21b

Combine like terms: 21b + -21b = 0
-4 + -17b = 3 + 0
-4 + -17b = 3

Add '4' to each side of the equation.
-4 + 4 + -17b = 3 + 4

Combine like terms: -4 + 4 = 0
0 + -17b = 3 + 4
-17b = 3 + 4

Combine like terms: 3 + 4 = 7
-17b = 7

Divide each side by '-17'.
b = -0.4117647059

Simplifying
b = -0.4117647059

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