System of equations

Solve a system of equations:

x + y = -1
x + 5y = 3

Final Answer:

x =  -2
y =  1

Step-by-step explanation:


x+y = -1
x+5y = 3

x+y = -1
x+5·y = 3

x+y = -1
x+5y = 3

Row 2 - Row 1 → Row 2
x+y = -1
4y = 4


y = 4/4 = 1
x = -1-y = -1-1 = -2

x = -2
y = 1

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