The problem
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also in the problem the variables have numbers to represent.
x=-1
y=4
Answer provided by our tutors
You need to plug in the values for "x = -1" and "y = 4" into "3y + 4(x - 2)" or the simplified "3y + 4x - 8".
In both cases you will get the same result:
3*4 + 4*((-1) - 2) = 12 + 4*(-3) = 12 - 12 = 0
3*4 + 4*(-1) - 8 = 12 - 4 - 8 = 12 - 12 = 0