Easy first
Algebra
Level
1
x + 12y = 54,
x + 13y = z,
x + z = 2y
Which of the following options is correct?
y=12.87
y=108/13
z=54/87
x=-593/13
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1 solution
F i r s t , s o l v e e q 2 a n d e q 3 . . p u t t h e v a l u e o f x i n 1 s t e q .