so of course you want to start by plugging the 5 in which goes to 7(5)+3(5)=50 because 7*5=35 and 3*5=15 and then add them together, then plug in the 5 to the other equation as well 9(5)+5=50 because 9*5= 45 and then add 5 and so yes they are equivalent.
Answer from: Quest
whaere is the picture
step-by-step explanation:
Answer from: Quest
12x+8-x=12x-x+8=11x+8=11
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