Answer: sum=1 subtrahend=2
Step-by-step explanation:
Simplify brackets
351 = y * 8 + 7
Regroup terms
351 = 8y + 7
Subtract 7 from both sides
351 - 7 = 8y
Simplify 351 - 7 to 344
344 = 8y
Divide both sides by 8
344/8 = y
Simplify 344/8 to 43
43 = y
Switch sides
<u>y = 43</u>
Answer:
490 students have back packs
Step-by-step explanation:
700 / 10 = 70
70* 7 = 490
B or (0,-2) is the answer i would go with