Exercice 2 : les nombres relatifs..
Calculer
A=(-5) + [(-4) (-2)+(+7)]. =
B=(-4) x ( - 2)x( - 3) - (- 3) x ( - 2).
C=(+6) - (- 9) + (-3)x [(-5)x( -2) - 3).

Tina practice piano for 15 hours last month and 45 hours this month use multiplication to write a statement comparing me i was tina practice during the two months use addition to write a statement comparing the hours tina practice during the two months

Can someone answer it, and plot it, for 20 points and brainliest answer? p.s. they're the same ! : )

Find the value of x for which the lines are parallel.