Question

×+5=8
×-4=3
×+6=5
×-7=-7​

Answer 1

a)

x+5=8

x=8-5

x=3

b)

x-4=3

x=3+4

x=7

c)

x+6=5

x=5-6

x=-1

d)

x-7=-7​  

x=-7+7

x=0

Answer 2

3+5=8 X=3

7-4=3 X=7

-1+6=5 X= -1

0-7=-7 X= 0