Question

e) 17 – 5.x = 7;
3) 49 + 5x = 109;
i) [(x. 2):6] : 5 = 13;
<) (10:x). 7 - 4 = 10;​

Answer 1

Explicație pas cu pas:

e) 17-5x=7

5x=17-7

x=10:5

x=2

3) 49+5x=109

5x=109-49

5×=60

x=60:5

x=12