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3 votes
10(1 + 3b)=-20 solve

2 Answers

7 votes
10 + 30b = -20
30b = -30
B=-1
User Srbhbarot
by
4.9k points
5 votes

10(1 + 3b) = -20

Isolate b.

Apply the distributive property: a(b + c) = ab + ac.

10(1 + 3b) = -20

10 + 30b = -20

Subtract 10 from both sides.

10 + 30b - 10 = -20 - 10

30b = -30

Divide both sides by the coefficient, 30.

b = -1

Answer:

-1

User Ali Asgari
by
4.5k points