Which product is negative? −3⋅4⋅(−2)⋅(−7) −4⋅(−6)⋅(−3)⋅(−5) −7⋅(−3)⋅(−9)⋅0 −3⋅5⋅(−6)⋅4

−3⋅4⋅(−2)⋅(−7)

Step-by-step explanation:

-3⋅4=-12

-12⋅-2=24

24⋅-7=-168

step-by-step explanation:

step 1: solve one of the equations for one of the variables. let's solve the first equation for y:

step 2: substitute that equation into the other equation, and solve for x.

step 3: substitute x = 4 x = 4 x=4 into one of the original equations, and solve for y.