Question

can you help me solve it

Answer 1

1.v=-4+5
v=1
3.k=7+1
k=8
5.-7+10=r
3=7
7.13-9=a
4=a

Answer 2

1. V-5=-4
+5. +5
/ 1



V=1



3. 7=k-1
+1. +1
8. /

K=8

5. -7= r-10
+10. +10
3. /

R=3