3b+1+b=2b+9

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Solution for 3b+1+b=2b+9 equation:


Simplifying
3b + 1 + b = 2b + 9

Reorder the terms:
1 + 3b + b = 2b + 9

Combine like terms: 3b + b = 4b
1 + 4b = 2b + 9

Reorder the terms:
1 + 4b = 9 + 2b

Solving
1 + 4b = 9 + 2b

Solving for variable 'b'.

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

Add '-2b' to each side of the equation.
1 + 4b + -2b = 9 + 2b + -2b

Combine like terms: 4b + -2b = 2b
1 + 2b = 9 + 2b + -2b

Combine like terms: 2b + -2b = 0
1 + 2b = 9 + 0
1 + 2b = 9

Add '-1' to each side of the equation.
1 + -1 + 2b = 9 + -1

Combine like terms: 1 + -1 = 0
0 + 2b = 9 + -1
2b = 9 + -1

Combine like terms: 9 + -1 = 8
2b = 8

Divide each side by '2'.
b = 4

Simplifying
b = 4

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