Question

231-(y-6)=1339:13

Answer 1

231 - ( y-6) = 1339 : 13

231 - ( y-6 ) = 103

y - 6 = 231 -103 =128

y = 128 + 6 134

Answer 2

231- (y-6) = 1339 : 13

=> 231 - (y-6) = 103

=> y- 6 = 231 - 103 = 128

=> y = 128 + 6 

=> y = 134