27-12=15 -x-=+
15/5=3
12- -3= +15
12+15=27
n= -3
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If: n/5 = 27 Then: n = 135.
n/27=2n/27*27=2*27n=54
n + 18 = 27 subtract 18 to 18 and 27 18-27=9 n = 9
If you mean n times 7 equals 56... Then the value of n is 8 !
n = 8