3b+17-1+b-4=100-4

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Solution for 3b+17-1+b-4=100-4 equation: 


Simplifying
3b + 17 + -1 + b + -4 = 100 + -4

Reorder the terms:
17 + -1 + -4 + 3b + b = 100 + -4

Combine like terms: 17 + -1 = 16
16 + -4 + 3b + b = 100 + -4

Combine like terms: 16 + -4 = 12
12 + 3b + b = 100 + -4

Combine like terms: 3b + b = 4b
12 + 4b = 100 + -4

Combine like terms: 100 + -4 = 96
12 + 4b = 96

Solving
12 + 4b = 96

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 + 4b = 96 + -12

Combine like terms: 12 + -12 = 0
0 + 4b = 96 + -12
4b = 96 + -12

Combine like terms: 96 + -12 = 84
4b = 84

Divide each side by '4'.
b = 21

Simplifying
b = 21

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