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Lemur [1.5K]
2 years ago
6

Solve by elimination: x+y=5 3x + y= -11 Please explain the steps!!!

Mathematics
2 answers:
Firlakuza [10]2 years ago
7 0

Answer: x = -8, y = 13

Step-by-step explanation:

x+y=5

3x+y=-11

now subtract the two equations

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

-2x=16, x = -8

now substitute

-8 + y = 5, y = 13

mash [69]2 years ago
3 0
<h2>⚡Hello⚡</h2>

<h3>Solve</h3>

<h3>3{×+y=5</h3><h3>-1{3×+y=-11</h3>

3×+3y=15

-3×-y=-11

2y=4

y=4÷2

Y=2

<h3>×+y=5</h3>

×+(2)=5

×=5-2

×=3

<h3>•Verification•</h3>

<h3>×+y=5</h3>

(3)+(2)=5

3+2=5

5=5

<h3>Equality Holds✔️</h3>

<h2>⚡Luck⚡</h2>
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