Question 70791
4/3.2=2/x cross multiply
4x=6.4
x=6.4/4
x=1.6 answer
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z/3=(z+9)/12
12z=3z+27
12z-3z=27
9z=27
z=27/9
z=3 answer
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16/(4d+2)=8/3
8(4d+2)=16*3
32d+16=48
32d=48-16
32d=32
d=32/32
d=1 answer