Find the value of -7 + 3(-12) ÷ (-3)

A. -16
B. 5
C. -40
D. -19

If m 17 27 90 63 ** picture is attached

Determine which postulate or theorem can be used to prove that lmn =nmo

50 will mark show all use the linear combination method to solve the system of equations. explain each step of your solution. if steps are not explained, you will not receive credit for that step. 2x+9y= -26 -3x-7y=13