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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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Find the solution of the system of equations.<br><br> x-y=-3<br>-8x+y=45
mezya [45]

Answer:

x = 17, y = 28

Step-by-step explanation:

1. Isolate for x in "x - y = -3, -8":

x - y+y = -3, -8+y

x = -11 + y

2. Substitute "x = -11 + y" in for x in the second expression:

-11 + y + y = 45

3. Simplify:

-11 + 2y = 45

4. Isolate y:

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2y = 56

\frac{2y}{2} = \frac{56}{2}

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5. Substitute the new y-value into the first equation:

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hope this helps!

5 0
1 year ago
The heights (in cm) and arm spans (in cm) of 31 students were measured. The association between x(height) and y(arm span) is sho
abruzzese [7]

Answer:

27.385 cm longer would we expect Mike's arm span to be than George's.

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We have to find how many centimeters longer would we expect Mike's arm span to be than George's using the equation:

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where y= arm span

and x= height

Given:

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                                    = 4.5* (175) + 0.977* (175)

                                    = 787.5 + 170.975

                                    = 958.475 cm

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so George's arm span= y= 4.5 x + 0.977 x

                                    = 4.5* (170) + 0.977* (170)

                                    = 765 + 166.09

                                    = 931.09 cm

Mike's arm span longer than George's = Mike's arm span - George's arm span

                                                                 = 958.475 - 931.09

                                                                 = 27.385 cm.

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