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Chapter 1: Q. 1.22 (page 16)

Solve each of the following for $b$ :
a. $2 b + 7 = b + 10$ .
b. $3 b - 4 = 24 - b$ .

Short Answer

Expert verified

a. The value of $b$ is $3$ .

b. The value of $b$ is $7$ .

Step by step solution

01

Part (a) step 1: Given Information

We need to find value of $b$ .

02

Part (a) step 2: Simplify

$2 b + 7 = b + 10 2 b - b = 10 - 7 b = 3$

03

Part (b) step 1: Given Information

We need to find value of $b$ .

04

Part (b) step 2: Simplify

$3 b - 4 = 24 - b 3 b + b = 28 b = \frac{28}{4} b = 7$

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Most popular questions from this chapter

Evaluate each of the following: $(1.4)$

a. $4 \times (- 8) =___$ .

b. $- 12 - 48 =___$ .

c.localid="1651763379682" $\frac{- 168}{- 4} =___$ .

Identify each of the following as a physical or chemical property= (3.2)

a. Gold is shiny.

h. Gold melts at $1064 {}^{\circ}C$ .

c. Gold is a good conductor of electricity.

d. When gold reacts with sulfur, a block sulfide compound forms.

Write each of the following in scientific notation: $(1.5)$

a. $0.0042$

b. $310$

C. $890 000 000$

d. $0.000 000 056$

a. What is measured on the horizontal axis?

b. What is the range of value on the horizontal axis?

c. What is the temperature of the tea after $20$ min?

d. How many minutes were needed to reach a temperature of $45 ° C$ ?

A student in your class asks you for advice on learning chemistry. Which of the following might you suggest?

a. studying different topics at the same time

b. not reading the text; it's never on the test

c. attending review sessions

d. working on the problems again after a few days

e. keeping a problem notebook.

See all solutions

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