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jekas [21]
3 years ago
15

PLEASE HELP ASAP!!!!!

Mathematics
2 answers:
Zigmanuir [339]3 years ago
7 0

Answer:

4x -5y =11 eqn 1

8x-5y =27 eqn 2

then you subtract equation 1 from equation 2

4x=16

then you divide both side by 4

x = 4

put x=4 in eqn 1

4x-5y =11

4(4)-5y =11

16-5y =11

16-11=5y

5=5y

divide both side by 5

y = 1

:y=1,x=4

Svetradugi [14.3K]3 years ago
3 0

Answer:

x=4, y=1

Step-by-step explanation:

<u><em>Solve for X:</em></u>

Multiply first equation by -1:

-4x+5y=-11

Subtract they Ys:

-4x+5y=-11

<u>-</u><u>8x-5y=27</u>

4x=16

Divide by four:

x=4

<u><em>Solve for Y:</em></u>

Since we already have x, we only need to use one equation:

4(4)-5y=11

Simplify parenthesis by distribution:

16-5y=11

Subtract 16 from both sides:

-5y=-5

Divide both sides by -5:

y=1

<em><u>Check:</u></em>

4(4)-5(1)=11

16-5=11

11=11

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

8(4)-5(1)=27

32-5=27

27=27

i hope this helps u pls give brainliest and a thx ;)

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