For the each of them simply substitute for x in each equation to see if you get the corresponding y , it doesnt really get any more straightforward than this
Answer:
280
Step-by-step explanation:
7*5*4*2=280
Answer:
the cat weighs 21 pounds.
the dog weighs 43 pounds
Step-by-step explanation:
dog = 3x-20 = x + 22
cat = x
3x-20 = x+22
3x = x+42 (add 20 to both sides)
2x = 42 (subtract x from both sides)
x = 21
Step-by-step explanation:
118 is the answer 238-120 = 118
