Answer:
Subtraction property of equality
Step-by-step explanation:
c + 5 = 78
Subtract 5 from each side using the subtraction property of equality
c+5-5 = 78-5
x = 73
Answer:
13= 10+3
Step-by-step explanation:
I hope this helps
Answer:
380
Step-by-step explanation:
640/2=320
320-60=260
640-260=380
Answer:
36
Step-by-step explanation:
(-6)² = (-6) × (-6)
= +36