3 years ago

Simplify (x - y + 1) - (x + y - 1)

1 answer:

andrey2020 [161]3 years ago

5 0

First, distribute the minus sign across the second set. So you have:

x - y + 1 - x - y + 1

Now, we combine like terms:
x-x=0
-y-y=-2y
1+1=2

So we have -2y+2

Hope that helps.

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3 years ago

A coyote had 10 pups in her third litter. It was twice as many as in her second litter, her second litter, and her second litter

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A coyote had 10 pups in her third litter. (10)
It was twice as many as in her second litter,( 2( second litter) = third litter

her second litter had 3 more pups than her first.( first litter +3)=2nd litter

Find the number of pups in her litter