7 - 19 = -12
=============
check
add 12 to both sides
12 + 7 - 19 = 12 - 12 ????
19 - 19 = 12 - 12
well 0 = 0
whew !
On the first play of a game, a running back gained 7 yards. On the next play, he lost 19 yards. Find the change in yards in the two plays.
1 answer
2 answers