Question

stiimd ca balantele sunt in echilibru, afla cat cantareste ? ​

Answer 1

$a + 99 = 612 + 400 \\ a + 99 = 1012 \\ a = 1012 - 99 \\ a = 913$

$708 + b = 1125 + 65 \\ 708 + b = 1190 \\ b = 1190 - 708 \\ b = 482$