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pentagon [3]
3 years ago
5

Ifx+y-1=1-(1-x), what is the value of y?.

Mathematics
1 answer:
vovikov84 [41]3 years ago
5 0

If you distribute the negative sign on the right hand side, you have

x+y-1=1-(1-x) \iff x+y-1=1-1+x \iff x+y-1=x

You can simplify x from both sides:

y-1=0

And if you add 1 to both sides, you have

y=1

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shutvik [7]

Each pair of sneakers cost $33.25

Step-by-step explanation:

Given,

Total spent by Mark = $68.82

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Coupon used = $3.00

Price without sales tax = Total spent - sales tax

Price without sales tax = 68.82 - 5.32 = $63.50

As Mark used coupon, we will add this amount.

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As this is price of two sneakers, we will divide it by 2;

Cost of one sneaker = \frac{66.50}{2}=\$33.25

Each pair of sneakers cost $33.25

Keywords: subtraction, addition

Learn more about addition at:

  • brainly.com/question/11007572
  • brainly.com/question/11015995

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