10(-8f +1) – 8(6 f – 4)

10(-8f+1)-8(6f-4)

-80f+10-48f+32

-80f-48f+10+32

-128f+42

hope it helps!

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step-by-step explanation:

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.