Question

Find the value of x for which the equation below is true.
|5x - 2y| |18|
|x + 6y| = |10|

A.16
B.-1
C.4
D.1

Answer 1

1. check your typing
2. why do you have an absolute number symbol around a positive number like |18| ?

Answer 2

they were supposed to be matrices, sorry

Answer 3

so, (C)