10 (1 + 3b) = -20 solve

Question

Mathematics

Crystal Gordon

29 March, 15:30

10 (1 + 3b) = -20 solve

+1

Answers (2)

Know the Answer?

Aspen · Answer 1

10 + 30b = - 20

30b = - 30

B=-1

Luz Richards · Answer 2

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