A rectangle has an area of 221 square units. The width of the rectangle is 13 units. The length of the rectangle is 3x + 2. What
is the measure of the rectangle's length?
1 answer:
The length is 17 and x=5
13 times 3x+2 = 221 so solve by dividing 221 by 13= 17.
Now we know that 3x+2= 17 so 3x= 15
x=5
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I think you should combine like terms
F(3)=16 i saw this problem before so it should be the answer in the end
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