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2 years ago

10

X - y = 4

2 answers:

IrinaK [193]2 years ago

8 0

Answer:

3. 6

Step-by-step explanation:

X - y = 4 ( Equation 1 )

X + y =8 ( Equation 2 )

equation 1 + equation 2

; 2x = 12

x = 12÷2

x =6

hope it helps ☺️

Juliette [100K]2 years ago

4 0

Answer: n=6

Step-by-step explanation:

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