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shtirl [24]
3 years ago
6

-2.6b + 4 = 0.9b - 17

Mathematics
1 answer:
koban [17]3 years ago
4 0

-2.6b + 4 = 0.9b - 17

<u>+2.6b      </u>  <u>+2.6b      </u>

           4 =  3.5b -17

       <u>  +17 </u>   <u>        +17 </u>

          21 = 3.5b

          \frac{21}{3.5} = \frac{3.5b}{3.5}

          6 = b

Answer: b = 6

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