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morpeh [17]
3 years ago
14

I need help quickly please!

Mathematics
1 answer:
tatyana61 [14]3 years ago
8 0
Sorry, before someone else was answering so i didnt. I think its the second one. -6+1
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Y = 3x + 15<br> 3x + 3y = 9
Zina [86]

Answer:

\Large\boxed{x=-3}\Large\boxed{y=6}

Step-by-step explanation:

<u>Given the system of equations</u>

1)~y=3x+15

2)~3x+3y=9

<u>Divide 3 on both sides of the 2) equation</u>

3x+3y=9

3x\div3+3y\div3=9\div3

x+y=3

<u>Current system</u>

1)~y=3x+15

2)~x+y=3

<u>Substitute 1) equation into the 2) equation</u>

x+(3x+15)=3

<u>Combine like terms</u>

x+3x+15=3

4x+15=3

<u>Subtract 15 on both sides</u>

4x+15-15=3-15

4x=-12

<u>Divide 4 on both sides</u>

4x\div4=-12\div4

\Large\boxed{x=-3}

<u>Substitute the x value into one of the equations to find the y value</u>

y=3x+15

y=3(-3)+15

y=-9+15

\Large\boxed{y=6}

Hope this helps!! :)

Please let me know if you have any questions

4 0
2 years ago
Please help asap ill mark you brainliest!!
julia-pushkina [17]

Answer:

4,184.87 square meters

Step-by-step explanation:

let me know if you want to see work . . .

3 0
3 years ago
4(x-b)=x solve for x please thanks
Allushta [10]
<span><span>4<span>(<span>x−b</span>)</span></span>=x</span>Step 1: Add -x to both sides.<span><span><span><span>−<span>4b</span></span>+<span>4x</span></span>+<span>−x</span></span>=<span>x+<span>−x</span></span></span><span><span><span>−<span>4b</span></span>+<span>3x</span></span>=0</span>Step 2: Add 4b to both sides.<span><span><span><span>−<span>4b</span></span>+<span>3x</span></span>+<span>4b</span></span>=<span>0+<span>4b</span></span></span><span><span>3x</span>=<span>4b</span></span>Step 3: Divide both sides by 3.<span><span><span>3x/</span>3</span>=<span><span>4b/</span>3</span></span><span>x=<span><span>4/3</span>b</span></span>Answer:<span>x=<span><span>4/3</span><span>b</span></span></span>
4 0
3 years ago
I need help ASAP pls help me with this question on my no check in
Veronika [31]

Answer: The answer is C

8 0
3 years ago
A total of 200 songs were played at a party in the ratio of 3 : 2 : 5. if the amount representing Vybez Kartel is 5 How many of
Jobisdone [24]

Answer:

100

Step-by-step explanation:

Because it would be the most common it would make no sense if any of the other options would represent the value of 2 and 3 if it had it would go over the amount of 200. But if they were represented by numbers 3 would be 60 and 2 would be 40 multiplying by two and ofc 5 would be 100.

6 0
3 years ago
Read 2 more answers
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