91Ó°ÊÓ

Let \(x\) represent the number. Use the given conditions to write an equation. Solve the equation and find the number. A number increased by 12 is four times the number. Find the number.

Solve each equation. Using the addition property of equality. Be sure to check your proposed solutions. $$z+13=-15$$

In Exercises \(1-26,\) solve each formula for the specified variable. Do you recognize the formula? If so, what does it describe? $$M=\frac{n}{5} \text { for } n$$

Express the solution set of each inequality in interval notation and graph the interval. $$x>\frac{5}{2}$$

Solve equation. Be sure to check your proposed solution by substituting it for the variable in the original equation. \(6 x-(3 x+10)=14\)

Solve each equation using the multiplication property of equality. Be sure to check your proposed solutions. $$17 y=0$$

Let \(x\) represent the number. Use the given conditions to write an equation. Solve the equation and find the number. Twice the sum of four and a number is \(36 .\) Find the number.

Solve each equation. Using the addition property of equality. Be sure to check your proposed solutions. $$-2=x+14$$

In Exercises \(1-26,\) solve each formula for the specified variable. Do you recognize the formula? If so, what does it describe? $$M=\frac{A}{740} \operatorname{for} A$$

Solve equation. Be sure to check your proposed solution by substituting it for the variable in the original equation. \(5 x-(2 x+14)=10\)