Answer:
Explanation:
x can be one number while z can be an other one
so x+z=-8
we have on value so
12+z=-8
so now lets crack the question
z=-8-12
so - - =+ so it will be -20 please support worked really hard
x + y = -8
x = 12
so,
12 + y = -8
y = -20
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