Purchase Solution

Solving Equations and Solving for a Variable

Not what you're looking for?

Ask Custom Question

Solving equations: Solve the linear expession, show your work and check your answer
#26. 5x + 7 = 0
#32. 14 = -5x - 21

Solving a variable: Solve each formula for the specified variable
#18. d = rt for r

The language of functions: For each formula express y as a function of x.
#22. y - x = 6

Solve each compound inequality. Write solution set in interval notation and graph it.
#50. -2 <3x + 1 <10

Solve absolue value expression.
#26. |x| - 10 = -3

Purchase this Solution

Solution Summary

This solution shows step-by-step calculations to determine the specified variable in various linear expressions.

Solution Preview

#26. 5x + 7 = 0
Answer: 5x + 7 = 0 -> 5x=-7 -> x=-7/5=-1.4. Check: 5*(-1.4)+7=-7+7=0. Yes.

#32. 14 = -5x - 21
Answer: 14 = -5x - 21 -> 5x=-21-14 -> 5x=-35 ...

Purchase this Solution


Free BrainMass Quizzes
Exponential Expressions

In this quiz, you will have a chance to practice basic terminology of exponential expressions and how to evaluate them.

Solving quadratic inequalities

This quiz test you on how well you are familiar with solving quadratic inequalities.

Geometry - Real Life Application Problems

Understanding of how geometry applies to in real-world contexts

Know Your Linear Equations

Each question is a choice-summary multiple choice question that will present you with a linear equation and then make 4 statements about that equation. You must determine which of the 4 statements are true (if any) in regards to the equation.

Graphs and Functions

This quiz helps you easily identify a function and test your understanding of ranges, domains , function inverses and transformations.