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Chapter 2: Q. 99 (page 128)
One number is 14 less than another. If their sum is increased by seven, the result is 85. Find the
numbers.
The two numbers are 46 and 32.
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One side of a triangle is three times the smallest side. The third side is three feet more than the shortest side. The perimeter is 13 feet. Find the lengths of all three sides.
Classify the equation as a conditional equation, an identity, or a contradiction and then state the solution:
If an equation has fractions only on one side, why do you have to multiply both sides of the equation by the LCD
The sum of three times a number and seven is twenty-five. Find the number.
The perimeter of a triangle is 39 feet. One side of the triangle is one foot longer than the second side. The third side is two feet longer than the second side. Find the length of each side.
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