Chapter 2: Q 2.30 (page 116)
The sum of three times a number and seven is twenty-five. Find the number.
6 will be the number.
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Classify the equation as a conditional equation, an identity, or a contradiction and then state the solution:
Solve the inequality. Graph the solution on the number line and write the solution in the interval notation.
The width of the rectangle is 0.7 meters less than the length. The perimeter of a rectangle is 52.6 meters. Find the dimensions of the rectangle.
The width of a rectangle is seven meters less than the length. The perimeter is 58 meters. Find the length and width.
The perimeter of a rectangular atrium is 160 feet. The length is 16 feet more than the width. Find the length and width of the atrium.
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