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avanturin [10]
3 years ago
13

Please solve this equation algebraically.

Mathematics
1 answer:
sp2606 [1]3 years ago
8 0

Answer:

b  = -2

Step-by-step explanation:

  Given expression:

        9(b - 4) - 7b = 5(3b -2)

Using distributive properties, open the parentheses;

     9b - 36 - 7b = 15b - 10

      2b - 36 = 15b -10

 collect like terms;

       2b - 15b  = - 10 + 36

          -13b = 26

Divide both sides by -13;

      b  = -2

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