-15+21+5b=-19

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Solution for -15+21+5b=-19 equation: 


Simplifying
-15 + 21 + 5b = -19

Combine like terms: -15 + 21 = 6
6 + 5b = -19

Solving
6 + 5b = -19

Solving for variable 'b'.

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

Add '-6' to each side of the equation.
6 + -6 + 5b = -19 + -6

Combine like terms: 6 + -6 = 0
0 + 5b = -19 + -6
5b = -19 + -6

Combine like terms: -19 + -6 = -25
5b = -25

Divide each side by '5'.
b = -5

Simplifying
b = -5

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