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X / 1 - 18 x/ 13 + 15 x/12​

Sagot :

x/1-18x/13+15x/12

=so, the LCM of 13 and 12 equal to 156

then, 156/1×x=156x

156/13×18x=126x

156/12×15x=195x

After that,(156x- 126x+195x) divided by 156

so, the answer will come

135x/156