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Keith_Richards [23]
3 years ago
14

What is the value of b in the equation 3b + 2(b - 1) =8

Mathematics
2 answers:
WARRIOR [948]3 years ago
6 0

Answer:

b = 2

Step-by-step explanation:

In order to find the value of b, we have to isolate b on one side of equation first

So,

3b+2(b-1)=8

Multiplying 2 with b-1

3b+2b-2=8\\5b-2=8

Adding 2 on both sides

5b-2+2=8+2\\5b=10

Dividing by 5 on both sides

\frac{5b}{5}=\frac{10}{5} \\b=2

So the value of b is 2 ..

Burka [1]3 years ago
3 0

ANSWER

The value of b is 2

EXPLANATION

The given linear equation in b is

3b + 2(b - 1) = 8

We expand to get:

3b + 2b - 2= 8

We now group similar terms to obtain:

3b + 2b  = 8 + 2

Combine the similar terms now to obtain:

5b = 10

Divide both sides by 5 to get:

b =  \frac{10}{5}

This simplifies to:

b = 2

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