If y = -1 and z = 2, find x in 7 xyz =1/2*x+3/4*xy-2/3*zy
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Answer:
x=4
Step-by-step explanation:
7x.-1.2=1/2.x+3/4.x.-1-2/3.2.-1
-14x=12x-18x+24/24
-14x=-17x+12
-17x+14x+12=0
-3x+12=0
-3x=-12
x=-12/-3
x=4
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