Question

Minus 1 by 17 + dash is equal minus 12 by 5 plus minus 1 by 17

Answer 1

heya

let's take the dash as x

-1/7 + x = -12/5 + (-1/17)
-1/7 + x = -12×17/5×17 -1×5/17×5
-1/7 + x = - 204/85 -5/85
-1/7 + x = - 208/85
x = -208/85 + 7×85/1× 85
x = -208/85 + 595/85
x = 387/85