Math, asked by samora28, 5 months ago

1.9x + 3 = 39

x =

2.3b + 15 = 30

b =

3. 8N-N = 49

N=

4. 7a+ 6 = 62

a=

5. 9n - 7 = 74

n=

Answers

Answered by Najiyasheikh

1

Answer:

(1) 9x + 3 = 39

9x = 39-3

9x = 36

x = 4

(2) 3b +15 = 30

3b = 30-15

3b = 15

b = 5

(3) 8N - N = 49

7N = 49

N = 7

(4) 7a + 6 = 62

7a = 62 - 6

7a = 56

a = 8

(5) 9n - 7 = 74

9n = 74 - 7

9n = 67

n = 7.45

Najiyasheikh: please mark this answer as brainliest answer

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