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suter [353]
3 years ago
11

Suppose y is a positive integer.If x-(-y)=z will z be greater than x ?

Mathematics
2 answers:
Alex787 [66]3 years ago
8 0

Answer: Hello there!

we know that y is a positive integer, and we have the equation:

x - (-y) = z

we want to know if z > x

where we suppose that x and z are real numbers.

Now, the sign rule is the following:

(+)(+) = +

(-)(+) = -

(+)(-) = -

(-)(-) = +

Then the equation x - (-y) = z can be rewritten as:

x - (-y) = x + y = z

now let's isolate x

x = z - y

this means that the number x is equal to the number z decreased by the number y.

then the number z is bigger than the number x.

alexira [117]3 years ago
3 0

Answer:

Yes, <em>z</em> will be greater than <em>x.</em>

Step-by-step explanation:

Given expression is x- (-y)=z \ for \ y \ is \ a \ positive \ integer.

now let <em>y = 2 </em>and <em>x = 1</em>

Then, x- (-y)=z \\1+2 = 3 \\\\

where z> x i.e. <em>3 > 1</em>

on simplifying the given  expression in terms of y

y=z-x

now suppose if <em>x = 7 and z=3 </em>then,

y = (z-x) = (3-7) = (-4)

which gives value of y in terms of negative integer which is not possible according to the given statement since y is a positive integer. Therefore, if y is a positive integer then  z will be greater than x.

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Answer:

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Step-by-step explanation:

We can solve this problem by taking the formula to the area of a triangle and substituting our given numbers with the variables in it.

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