Question

5w+10=40

A)6
B)10
C)30
D)50
10k+5=65
A)12
B)18
C)48
D)72
2b-15=33
A)4
B)9
C)24
D)48
3d+18=21
A)-1
B)1
C)3
D)13

Answer 1

Explanation:

5w+10=40

5w=40-10

5w=30

w=30/5

w=6

Answer: A) 6

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10k+5=65

10k=65-5

10k=60

k=60/10

k=6

Answer: k=6

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2b-15=33

2b=33+15

2b=48

b=48/2

b=24

Answer: b=24

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3d+18=21

3d=21-18

3d=3

d=3/3

d=1

Answer: d=1