C3 maths help!
It is given that |x+3a| = 5a , where a is a positive constant. Find, in terms of a, the possible values of |x+7a| - |x-7a|
someone?
x+3a=5a or -x-3a=5a
a=-x/8 or x/2, and substitute these values in
a=-x/8 or x/2, and substitute these values in
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