4+8(1-9b)=-34

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Solution for 4+8(1-9b)=-34 equation: 


Simplifying
4 + 8(1 + -9b) = -34
4 + (1 * 8 + -9b * 8) = -34
4 + (8 + -72b) = -34

Combine like terms: 4 + 8 = 12
12 + -72b = -34

Solving
12 + -72b = -34

Solving for variable 'b'.

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

Add '-12' to each side of the equation.
12 + -12 + -72b = -34 + -12

Combine like terms: 12 + -12 = 0
0 + -72b = -34 + -12
-72b = -34 + -12

Combine like terms: -34 + -12 = -46
-72b = -46

Divide each side by '-72'.
b = 0.6388888889

Simplifying
b = 0.6388888889

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