X^2 = 8^2 + 5^2
x^2 = 64 + 25
x^2 = 89
x =
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9.4339811321
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Answer:
-7/11
Step-by-step explanation:
The answers X2 plus 4X -21This is because it’s possible
2x + y = 7
substitute
2x + (x+1) =7
combine like terms
3x+1 =7
subtract 1 from each side
3x =6
divide by 3
x=2
y = x+1
y =2+1
y=3
Answer: x=2, y=3