math(please help)
posted by May .
Allison, Ashley, and Becky weigh 124 kg altogether. Allison and Becky weigh 102 kg altogether. Allison and Ashley weigh 86 kg altogether. How much does each person weigh? please show your work.

Al + As + B = 124
Al + B = 102
subtracting equations ___ As = 22
Al + As = 86
subtracting equations ___ Al = 64
subtracting equations ___ B = 38