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Evaluate -4(a+b) - 10a/b when a=8 and b=5
3b+4 = b+12 3b-b = 12-4 2b = 8 b = 4
3 + 5 = 4*b so 8 = 4*b Divide both sides by 4: 2 = b
8=6+b2b=4
in order to solve this problem you have to solve for x first wich you are given the data to pre forme so x=4 and x.2=8 and 8=y and y-4=4=a=x so a+8=12 and 12=b