GRE
Exam
Numerical Ability
Algebra
If 0.25(x-y)= -2 and y²-x²=48, then sum of x and y is
Read Solution (Total 1)
x-y=-2/.25=-8
(y+x)(y-x)=48
(y+x)*8=48
y+x=48/8=6
6 years ago
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