
Concept explainers
Find value of the unknown variable from the given equation.

Answer to Problem 21PPS
No solution
Explanation of Solution
Given:
The Equation:
Concept Used:
In algebra, an equation can be defined as a mathematical statement consisting of an equal symbol between two algebraic expressions that have the same value.
Here, for example, 5x + 9 is the expression on the left-hand side, which is equal to the expression 24 on the right-hand side. i.e. 5x+9 = 24 is an equation.
Calculation:
Addition or Subtraction Property of Equality:
If
The property that states that if you add or subtract the same number to both sides of an equation, the sides remain equal (i.e., the equation continues to be true.)
Multiplication and Division Properties of Equality:
If
If
In other words, if two expressions are equal to each other and you multiply or divide (except for 0) the exact same constant to both sides, the two sides will remain equal.
Given the Equation:
In an equation the variable term in the left side and right side are same, the equation has no solutions (if no value of the variable makes the equation true).
Inconsistent equations: No solutions
For example, 3=3 is an identity equation. An equation like 3=5 is an inconsistent equation, since 3 is not equal to 5. If in the process of solving an equation we end up with an inconsistent equation, then the original equation has no solutions.
Thus, the equation
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