Question

solve 21-3(b-7)=b+20​

Answer 1

Step-by-step explanation:

hey mate...

here is ur answer....

refer tot he attachment

Answer 2

Answer:

21 - 3b + 21 = b+ 20

-3b +42 = b + 20

-3b - b = 20 - 42

-4b = -22

b = -5.5

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