Question

(1) the sum of number x and 4 is 9

(2) ten times a is 70​

Answer 1

Answer:

1) x = 5

2) a = 7

Step-by-step explanation:

1) 9 - 4 = 5

2) 7 × 10 = 70

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Answer 2

Answer:

1) 5

2) 7

Step-by-step explanation:

1)x+4=9

=>x=9-4

=>x=5

2)10a=70

=>a=70/10

=>a=7