If x is 10 x+y+a+d=50 x-y=5 x+d=30 find y,a,d.
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Answer:
y is 5
d is 20
and a is 15
Step-by-step explanation:
since x is 10
then d is 20 as (30-10)
and y is 5 as (10-5)
and a is 15 as (50-35)
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