Chapter 2: Q. 88 (page 128)
The difference of a number and eight is four. Find the number.
Short Answer
The number is 12.
Chapter 2: Q. 88 (page 128)
The difference of a number and eight is four. Find the number.
The number is 12.
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In the following exercises, use the Pythagorean theorem to find the length of the leg. Round to the nearest tenth if necessary.

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 interval notation.
In the following exercises, solve each inequality, graph the solution on the number line, and write the solution in interval notation.
Solve the formulafor.
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