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Anna007 [38]
3 years ago
9

What is 1000x - 1x? A) 101x B) 1001x C) 99x D) 999x

Mathematics
2 answers:
lbvjy [14]3 years ago
6 0
Your answer is D) 999x
Bingel [31]3 years ago
5 0
Hey there!

Let's think of what 1000x means.

We know that multiplication is repeated addition. For example, 5(5) = 5+5+5+5+5. It's 5 added five times.

It's no different here. That means we have x 1000 times. If we look at a simpler situation:

5x - 3x, we have (x + x + x + x + x) - (x + x + x)

That means we're getting rid of 3 x's, which means we have 2x. If we have different coefficients but the same variable, we can just subtract or add the coefficients but keep the variable. That means:

4x - 2x = 2x and 10x - 5x = 5x

Now, we can do this problem. We want:

(1000-1)x = 999x

Your answer is D.

Hope this helps!
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