Respuesta :

Answer:

x = 52.67

y = (-65.1)

Step-by-step explanation:

x + y = -12.43

x - y = 117.77

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2x = 105.34

2x.      2x

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x = 52.67

52.67 + y = -12.43

-52.67 .       -52.67

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y = -65.1

time to check answers

52.67 + (-65.1) = -12.43

52.67 - (-65.1) = 117.77

=> 52.67 + 65.1 = 117.77

all answers check out! The two numbers are 52.67 and (-65.1)

I hope this helps!