nokesdon675 nokesdon675
  • 24-05-2017
  • Mathematics
contestada

how do solve for 2b + 18 =12 how do you get the answer

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hayisforhorses
hayisforhorses hayisforhorses
  • 24-05-2017
You isolate the variable, b.
2b+18=12
-18        -18   subtract 18 from each side
2b=-6
/2    /2             divide by two to get one b
b=-3
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BradyArgo
BradyArgo BradyArgo
  • 24-05-2017
What times 2, plus 18, equals 12? Answer: -3. -3x2 = -6 -6+18=12. The answer: B=-3
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