Answer:
XX, YY, ZZ
Step-by-step explanation:
107
1. 6.96500 kilogramos
2. 3.95 kilogramos
9
KL + KJ = 17
2 + 3x + 5x - 1 = 17 add like terms
8x + 1 = 17 subtract 1 from both sides
8x = 16 divide both sides by 8
x = 2
KL = 5x - 1 replace x with 2
5*2 - 1 = 9