Concept explainers
In Exercises 1–12, solve each equation.
1. −5 + 3(x + 5) = 2(3x − 4)
To solve: The equation
Answer to Problem 1MC
The solution set of the equation
Explanation of Solution
The given equation is
Simplify the algebraic expression on each side of the equation.
Obtain an equivalent equation by isolating x on one side and the constant terms on the other side as follows.
On further simplifications,
Thus, the solution of the equation is 6.
Replace x with 6 in the original solution and check the correctness of the solution.
The left hand side of the equation is,
The right hand side of the equation is,
That is,
Thus, the solution set of the equation
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Chapter 1 Solutions
College Algebra Essentials (5th Edition)
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