-9+3(1-7b)=19

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Solution for -9+3(1-7b)=19 equation: 


Simplifying
-9 + 3(1 + -7b) = 19
-9 + (1 * 3 + -7b * 3) = 19
-9 + (3 + -21b) = 19

Combine like terms: -9 + 3 = -6
-6 + -21b = 19

Solving
-6 + -21b = 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 + -21b = 19 + 6

Combine like terms: -6 + 6 = 0
0 + -21b = 19 + 6
-21b = 19 + 6

Combine like terms: 19 + 6 = 25
-21b = 25

Divide each side by '-21'.
b = -1.19047619

Simplifying
b = -1.19047619

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