Solving Equations Lesson 1

by Melissa Kaiser

| 12 QuestionsNote from the author:

Solving equations with addition or subtraction

TRY IT

Solve each equation. Write your answer as x=#(no spaces).

1

1 pt

a. y + 6 = 9

2

1 pt

b. x + 3 = 1

3

1 pt

c. -3 = a + 4

TRY IT

Solve each equation. Write your answer as x=#(no spaces).

4

1 pt

e. y – 3 = 4

5

1 pt

f. r – 4 = –2

6

1 pt

g. q – 8 = –9

TRY IT

Just write your final answer as a number.

7

1 pt

d. The highest recorded temperature in Warsaw, Missouri is 118 degrees Fahrenheit. This is 158 degrees greater than the lowest recorded temperature. Find the lowest recorded temperature.

TRY IT

Just write your final answer as a number.

8

1 pt

h. The average lifespan of a tiger is 17 years. This is 3 years less than the average lifespan of a lion. Write and solve an equation to find the average lifespan of a lion.

GUIDED PRACTICE

9

1 pt

1. n + 6 = 8

10

1 pt

2. 7 = y + 2

11

1 pt

3. –7 = c – 6

12

1 pt

4. Orville and Wilbur Wright mad the first airplane flights in 1903. Wilbur’s flight was 364 feet. This was 120 feet longer than Orville’s flight. Write and solve an equation to represent the flights. Then solve to find the length of Orville’s flight.

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