Answer:
69
Step-by-step explanation:
think of it like :
30+30=60
4+5= 9
60+9=69
to make it easier if you're not allowed to use calculators.
4-2x=3
I only know number 5 so here it is
the solution for the left is: 2x6=12
the solution for the right is: 5x3+4x1=15+4=19
and the answers are: 1.12 . 2.19
