Concept explainers
Solve each equation. Check your answer.
To solve the equation:
And also check the solution.
Answer to Problem 12P
Explanation of Solution
Given:
Concept Used:
- Steps to solve a linear equation:
- Use distributive property to remove any grouping symbol.
- Simplify the expression in each side of the equation.
- Collect the variable terms on one side of the equation and the constant on the other side.
- Isolate the variable
- To check the solution of a equation substitute the solution in the equation and check whether it satisfies.
Calculation:
In order to solve the equation:
First, isolate the variable by adding
Now divide both sides of the equation by
Thus, solution of given equation is
Now, to check this solution put
Thus,
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High School Math 2012 Common-core Algebra 1 Practice And Problem Solvingworkbook Grade 8/9
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