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e-lub [12.9K]
3 years ago
5

Represent this statement as an equation: The difference of twice a number and 3 is 11.

Mathematics
1 answer:
yan [13]3 years ago
3 0

Answer:

2x - 3 = 11

Step-by-step explanation:

"difference" means subtraction, so it is subtraction.

"twice a number" simply means 2x, since you do not know what the specified number is, it is x. and the 2 and just making it twice the number.

"Is 11" just means equals 11.

so, 2x - 3 = 11.

hope this helps!

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Wally had two more marbled than ashan and together they have 88 marbles how many marbles does ashan have
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Represent as
w=wally
a=ashan
so wally has 2 more marbles than ashan
w=2+a

together they have 88
w+a=88

since w=2+a, subsitute (2+a) for w in the w+a=88 equation
2+a+a=88
add like terms
2+2a=88
subtract 2 from both sides
2a=86
divide by 2
a=43

ashan has 43 marbles
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