<span>Answer: 4*x+3=5+x
Explanation: four times a number means 4*x plus three means 4*x+3 is the same as which means = five plus the number which is 5+x </span>
Area=length times width
area=10.5
length=3.5
10.5=3.5 times width
divide both sides by 3.5
3=width
width=3ft
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