Answer:
(3,4)
Step-by-step explanation:
Step-by-step explanation:
10. [-19-(-20) - (-34)] ÷ (-6)
= (-19+20+34) ÷ (-6)
= 35 ÷ (-6)
= -5.83
12. [-18 - (-66) -22] × 2
= [-18+66-22] × 2
= 26 × 2
= 52
The first and the third one because they equal each other
2x+2=2(x+1) and 3(x-1)=3x-3