Question

1.x-20=-15
2.x-8=5
3.x-5=-6
4.x-8=-10+3
5.x+7=-8-5+3
6.x-7=-5+3+2​

Answer 1

Explicație pas cu pas:

1.raspuns:x=35

2raspuns:x=13

3raspuns:x= -1

4raspuns:x=1

5raspuns:x= -7

6raspuns:x=7

Answer 2

Răspuns:

1.x=20+15

x=35

2.x=8+5

x=13

3.x=5+6

x=11

4.x-8=13

x=8+13

x=21

5.x-7=3+3

x-7=6

x=7-6

x=1

6.x-7=8+2

x-7=10

x=10-7

x=3