3 years ago

1.The sum of 4 and three times a number is 19

Mathematics

1 answer:

fredd [130]3 years ago

6 0

1) 4 + 3(x) = 19

3x=15

x=5

2) 2x -7 = 9

2x=16

x=8

3) not sure

4) 5 (x + 4) = -15

5x+20=-15

5x=-35

x=-7

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