6th Grade Math Textbook, Fundamentals

Solve:    16

   16 

 17 Simplify.

(3) (3)( (^17) ) Multiply both sides by 3.
a 51  52
1
2
1
8
9
8
3
8
a
3
3
8
a
3
7
8
1
2
7
8
7
8
a
3
7
8
a
3 Check:   ^16
  16
 17   16
 1612  1612 Tr u e
1
2
7
8
3
8
1
2
 52
3
1
8 7
8
1
2
7
8
a
3
?
?
Lesson 5-16 for exercise sets. &KDSWHU 
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Solve and check.

1. n 6  9 2. 30  c 10 3.   8 4.    6

5.Discuss and Write Justify the steps you used in solving exercise 2 above.

1

5

1

3

x

4

3

5

1

4

a

5

1

2

3

8

Solve: n 7  8

n 7  7  8  7 Add 7 to both sides.

n 15 Simplify.

()()n()^15 Multiply by the reciprocal.

n 45

3

1

1

3

3

1

1

3

1

3

1

3

Webster made 5 pounds of fruit salad for a party. He used 1 pounds

of strawberries. He added pound of each of the other ingredients. How

many other ingredients were there?

Let nthe number of other ingredients.

Solve: 5  n 1

5  1  n 1  1

3  n

3   n

(^3 ) n

n

6 n

5

8

3

4

15

4

8

5

3

1

2

1

• 
  

8

5

3

4

5

8

5

8

5

8

3

4

1

4

1

4

5

8

1

4

1

4

1

4

5

8

5

8

4

Subtract from both sides.^78

Substitute  52

for a.

1

8

Check: n 7  8

(45)  7 8 Substitute 45 for n.

15  7 8

8  8 Tr u e

?

(^1) ?
3
1
3
Check: 5  n 1
5 (6)  1
5  1
5 3  1
5 3  1
5  5 Tr u e
?^1
4
3
4
1
4
6
8
?
1
4
30
8
?
1
4
5
8
?
1
4
5
8
2
3