Question 993400
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1).
2x+12=3x-31
43=x
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2).
8-2x=x+17
-9=3x
-3=x
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3).
W=width; L=length=W+3
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P=2(L+W)
24=2((W+3)+W)
12=2W+3
9=2
4.5=W ANSWER 1: The width is 4.5 inches
L=W+3=4.5+3=7.5 ANSWER 2: The length is 7.5 inches.
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CHECK:
P=2(L+W)
24in=2(7.5in+4.5in)
24in=2(12in)
24in=24in
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4).
x/5+5x=7x-18
x/5+25x/5=7x-18
26x/5=7x-18
5.2x=7x-18
18=1.8x
10=x
ANSWER: The number is 10.
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CHECK:
x/5+5x=7x-18
(10/5)+5(10)=7(10)-18
2+50=70-18
52=52
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