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Pavlova-9 [17]
3 years ago
6

Edward solved the equation 4x + 1 = 5x + (−5) using these steps. 1. Add 4 negative x-tiles to both sides. 2. Add 5 negative unit

tiles to both sides. 3. Solution x = −4.
Mathematics
2 answers:
8_murik_8 [283]3 years ago
8 0

Answer:

The solution for the given expression x ix 6.

Step-by-step explanation:

4x + 1 = 5x + (-5)

Solution:

Step 1: Adding (-4x) on both sides

4x + 1 +(-4)= 5x + (-5)+(-4x)

1=-5+1x

Step 2: Adding (5) on both sides:

1+5=-5+1x+5

6=x

The solution for the given expression x ix 6.

Ivanshal [37]3 years ago
5 0
4x + 1 = 5x + (-5)
1 = x + (-5)
6 = x
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salantis [7]

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6 0
2 years ago
as a fundraiser, the music club sold shirts. They sold a total of 40 shirts. children's shirts cost $13 and adult shirts cost $1
GalinKa [24]

Answer:

17 adult shirts were sold

Step-by-step explanation:

x = adult shirts and y = children shirts

x + y = 40......adult shirts + child shirts = 40 total shirts

17x + 13y = 588...$ 17 for each adult shirt (x) + $ 13 for each child shirt (y) = $ 588

these are the equations we will be using.

now lets rearrange the first one....x + y = 40......x = 40 - y.....now sub 40 - y in for x back into the second equation

17x + 13y = 588

17(40 - y) + 13y = 588

680 - 17y + 13y = 588

-17y + 13y = 588 - 680

-4y = - 92

y = -92/-4

y = 23 <=== so there were 23 child shirts sold

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x + 23 = 40

x = 40 - 23

x = 17 <===== and 17 adult shirts sold

check...

17x + 13y = 588

17(17) + 13(23) = 588

289 + 299 = 588

588 = 588 (correct)

4 0
3 years ago
How can x2 = x2 + 2x + 9 be set up as a system of equations?
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x2- x2 = x2 - x2 + 2x + 9  or  0 = 2x + 9  now subtract 9 from both sides so you can solve for x.

0 -9 = 2x -9...and you have -9 = 2x 

Now solve for x  by dividing both sides by 2 and you arrive at x = -4.5
3 0
3 years ago
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