-2b+3+5b+1=12+9

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Solution for -2b+3+5b+1=12+9 equation:


Simplifying
-2b + 3 + 5b + 1 = 12 + 9

Reorder the terms:
3 + 1 + -2b + 5b = 12 + 9

Combine like terms: 3 + 1 = 4
4 + -2b + 5b = 12 + 9

Combine like terms: -2b + 5b = 3b
4 + 3b = 12 + 9

Combine like terms: 12 + 9 = 21
4 + 3b = 21

Solving
4 + 3b = 21

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 + 3b = 21 + -4

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

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

Divide each side by '3'.
b = 5.666666667

Simplifying
b = 5.666666667

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