-21+3b=-24

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Solution for -21+3b=-24 equation: 


Simplifying
-21 + 3b = -24

Solving
-21 + 3b = -24

Solving for variable 'b'.

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

Add '21' to each side of the equation.
-21 + 21 + 3b = -24 + 21

Combine like terms: -21 + 21 = 0
0 + 3b = -24 + 21
3b = -24 + 21

Combine like terms: -24 + 21 = -3
3b = -3

Divide each side by '3'.
b = -1

Simplifying
b = -1

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