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3 years ago

Is either x=5 or x=3 a solution to 11- x <7

Mathematics

2 answers:

Korolek [52]3 years ago

5 0

Answer:

x=5 is the correct answer

Step-by-step explanation:

First we start off to see if x=3 could work (put the x value in)

11-3<7

(11-3=8)

8<7 This is false

Now lets try the other one-

11-5<7

(11-5=6)

6<7

The value x=5 is the correct answer

P.S If you don't mind, could I have brainlest? (if you think my answer is the best)

Aleks [24]3 years ago

3 0

Answer:

Explanation:

11 - x < 7

11 minus a number is less than 7

<em>Insert 5 into the equation</em>

11 - 5 < 7

<em>Simplify</em>

6 < 7

This is true

<em>Insert 3 into the equation</em>

11 - 3 < 7

<em>Simplify</em>

8 < 7

This is false

<h3><u><em>x = 5 is a solution to the equation 11 - x </em></u><u>< 7</u></h3><h3><u /></h3>

- PacificNorthwest

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Step-by-step explanation:

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4 years ago

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Step-by-step explanation:

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4 years ago

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PLEASE FOLLOW THE DIRECTIONS AND SHOW YOUR WORK. IM OFFERING 15PTS (Way more than its worth) AND BRAINLIEST ANSWER. PLEASE HELP

Alex

I'll take this challenge since I'm not feeling lazy for once.... x would represent Gavin and y would represent Seiji.

a.   $x+y=425, x-y=25$

b. I will solve your system using substitution.
$x+y-425, x-y=25$
<span>Step 1: Solve </span> $x+y=425$ for x
$x+y+-y=425+-y$ (add -y for both sides)
$x=-y+425$
<span>Step 2: substitute </span> $-y+425$ for x in $x+b=25$
$x+y=25$
<span></span> $-y+425-y=25$
$-2y+425=25$ (simplify both sides of the equation)
$-2y+425+-425=25+-425$ (add -425 to both sides)<span>
</span> $-2y=-400$
$\frac{-2y}{-2} = \frac{-400}{-2}$
y=200
step 3: substitute 200 for y in $x=-y+425$
$x=-y+425$
$x=-200+425
$
$x=225$
$x=225, y= 200$

c. Already answered with the picture that is attached.

d. Gavin earned 225 dollars while Seiji earned 200 dollars.

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