College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter1: Equations And Inequalities
Section1.1: Linear Equations And Rational Equations
Problem 74E: Solve each formula for the specified variable. ax+b=0;x.
Related questions
Concept explainers
Equations and Inequations
Equations and inequalities describe the relationship between two mathematical expressions.
Linear Functions
A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.
Question
Solve
for x. This gives a formula for solving two equations in two variables for x.
Expert Solution
Step 1
Given:
Step 2
From equation
Subtract from both sides,
Divide both sides by ,
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Solved in 3 steps
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