Question

please answer this question ​

Answer 1

Answer:

answer is written in the bottom

Answer 2

Answer:

1.x=4

2.x=4

3.x=4

4.x=6

5.x=11/2

6.x=5/2

7.x=2

8.x=3

1. 3+x=7

x=7-3=4

2. x+x=8

2x=8

x=8/2=4

3.x+x+x=12

3x=12

x=12/3=6

4.x+4=10

x=10-4=6