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grigory [225]
3 years ago
15

2y = x + 10 3y = 3x + 15

Mathematics
1 answer:
ExtremeBDS [4]3 years ago
6 0
<span>{2y = x + 10
{3y = 3x + 15  |:3

</span>{2y = x + 10
{y = x + 5

{2(x+5) = x + 10
{y = x + 5

{2x+10 = x + 10
{y = x + 5

{2x - x = 10 - 10
{y = x + 5

{x = 0
{y = x + 5

{x = 0
{y = 5
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PLEASE HELP
Sergeeva-Olga [200]

Answer:

y = 2

Step-by-step explanation:

I will solve this problem, using the elimination method.

-2(5x - 3y) = -11

-10x + 6y = 22

2x - 6y = -14

Subtract and divide for x

-8x = 8

x = -1

Input -1 into the equations

2(-1) - 6y = -14

-6y - 2 = -14

-6y = -12

y = 2

Thanks!

5 0
3 years ago
<img src="https://tex.z-dn.net/?f=2%28x%20-%208%29%20%2B%204x%20%3D%206%28x%20-%202%29%20-%204" id="TexFormula1" title="2(x - 8)
Flauer [41]

In this question, you're solving for x.

Solve for x:

2(x - 8) + 4x = 6(x - 2) - 4

Distribute the 2 to the variables inside the parenthesis.

2x - 16 + 4x = 6(x - 2) - 4

Distribute the 6 to the variables inside the parenthesis.

2x - 16 + 4x = 6x - 12 - 4

6x - 16 = 6x - 12 - 4

6x - 16 = 6x - 16

Subtract 6x from both sides

-16 = -16

Add 16 to both sides

0 = 0

Answer:

All real numbers and solutions

8 0
3 years ago
Read 2 more answers
Solve the equation for x. x/3 = -4 <br><br><br><br>A. -12<br>B.-7<br>C.7 <br>D.12
UNO [17]
-12 divided by 3 equals -4
6 0
3 years ago
Read 2 more answers
Divide 30 by it's half, add the half of 18 that has been divided by the half of the half of 12 after been divided by half.
WARRIOR [948]

Answer:

We want to divide 30 by it's half.

The half of 30 is 30/2 = 15

then we have: 30/15 = 2

Now we want to add the half of 18, that has ben divided by the half of the half of 12 hafter been divided by half.

The half of 12 is 12/2 =  6

the half of the half of 12 is 6/2 = 3

now, we wanto to divide the half of 18 by that number.

The half of 18 is 18/2 = 9

then we have 9/3 = 3

and we wanted to add this to the number previous found:

2 + 3 = 5

6 0
3 years ago
I need help. For Iready
Alla [95]
It’s B.





If I’m wrong them uhh.. my bad?
3 0
3 years ago
Read 2 more answers
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