m = 15√3
Hi there !
m/√3 - 11 = 4
m√3/√3·√3 - 11 = 4
m√3/3 - ³11 = ³4
m√3 - 33 = 12
m√3 = 12 + 33
m√3 = 45
m = 45/√3
m = 45√3/3
Good luck !
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