Well the opposite of addition is subtraction
to find n move 27 to the other side which makes it negative
15+ (-27) =-12
Answer:
Step-by-step explanation:
Since the diameter is 2.1 then its radius is 1.05.
Therefore the circumference is
.
Answer:
it would be 5
Step-by-step explanation:
Answer
42
Step-by-step explanation:
Let x be Chris's age before, x+35 be Chris's age now.
2(x+35) = 35+7x
2x+70 = 35 +7x
35=5x
7=x
7+35=42