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Lana71 [14]
3 years ago
10

How do I do solving systems by substitution please help

Mathematics
2 answers:
Taya2010 [7]3 years ago
7 0

Answer:

I believe the answer is x=-2, and y=3.

Step-by-step explanation:

Given: x-y=-5

Fill in: -2-3=-5

Calculate: -5=5

-------------------------------

Given: x+y=1

Fill in: -2+3=1

Calculate: 1=1

Aleksandr-060686 [28]3 years ago
4 0

Answer:

x = -2.

y = 3.

Step-by-step explanation:

x-y=-5

x+y=1

From the first equation

x = y - 5

Substitute this in the second equation:

y - 5 + y = 1

2y = 1 + 5 = 6

y = 3.

Substitute this into the second equation:

x + 3 = 1

x = -2.

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PLS HELP 10 POINTS THANKS FAMMMM~
scoundrel [369]
Hello there,


The first graph show's (0,-3)

The second graph show's (0,-2)

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4 0
3 years ago
What divided by 4 equals 9/4 <br> ( 9/4= Divided by 4 )
Ann [662]

Answer

16/9

Step-by-step explanation:

I don't know if this is right or not and I'm sry if its wrong

but 16/9 divided by 4 = 9/4 

5 0
2 years ago
2x^5 + 4x^4 – x^3 - x^2 + 7 is divided by 2x^2 - 1.
mixer [17]

Answer: 11

Step-by-step explanation: 2x^5 + 4x^4 – x^3 - x^2 + 7= 11

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4 0
3 years ago
The perimeter of a triangle is 37. One side of triangle is one foot longer than the second side. The third side is tgree feet lo
disa [49]

Answer:

First: 12 feet

Second: 11 feet

Third: 14 feet

Step-by-step explanation:

Let the second side of the traingle be x

First side of the triangle= x+1

Third side of the triangle= x+3

x+x+1+x+3 = 37

3x+4 = 37

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x = 11

First side of the triangle= (11)+1

= 12

Second side of the triangle= 11

Third side of the triangle= (11)+3

= 14

5 0
3 years ago
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