Respuesta :

KaydieD

Answer:

b = -9.5

Step-by-step explanation:

-3 (4b - 10) = 144

-12b + 30 = 144

       -30      -30

-12b = 114

/-12      /-12

b = -9.5

Hope this helps!

dusx0908
Divide both sides by the numeric factor on the left side, then solve.
b = -7

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