Question

3]calcule x+y sabendo:
x=-90+45+60+37-71
y=-63-37+109+81-71

Answer 1

x= 19
y= 19
x+y = 0

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Answer 2

Calcular x + y

Para

x = -90 + 45 + 60 + 37 - 71
x = -45 + 60 -34
x = -45 + 26
x = -19

y = -63 - 37 + 109 + 81 - 71
y = -100 + 109 +10
y = -100 + 119
y = 19

x + y
-19 + 19 = 0

x + y = 0