Math Problem Statement

Solve 4(p + 2) = 7p - 1 and check the solution.

Solution

The equation provided in the image is:

4(p+2)=7p14(p + 2) = 7p - 1

Let's solve this step by step:

Step 1: Expand the left-hand side

Distribute the 4 on the left-hand side:

4p+8=7p14p + 8 = 7p - 1

Step 2: Move all terms involving pp to one side

To isolate pp, subtract 4p4p from both sides:

8=7p4p18 = 7p - 4p - 1 8=3p18 = 3p - 1

Step 3: Move the constant terms to the other side

Add 1 to both sides:

8+1=3p8 + 1 = 3p 9=3p9 = 3p

Step 4: Solve for pp

Divide both sides by 3:

p=93=3p = \frac{9}{3} = 3

Step 5: Check the solution

Substitute p=3p = 3 back into the original equation:

Original equation: 4(p+2)=7p14(p + 2) = 7p - 1

Substitute p=3p = 3:

4(3+2)=7(3)14(3 + 2) = 7(3) - 1 4(5)=2114(5) = 21 - 1 20=2020 = 20

Since both sides of the equation are equal, p=3p = 3 is the correct solution.


Would you like more details on any part of the solution or have any further questions?

Here are some related questions you might want to explore:

  1. How do you solve equations with variables on both sides?
  2. What happens if an equation has no solution?
  3. How do you solve equations with fractions?
  4. How can you check if a solution to an equation is correct?
  5. What are the steps to solve inequalities?

Tip: Always check your solution by substituting it back into the original equation to ensure it satisfies the equation.

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Math Problem Analysis

Mathematical Concepts

Linear Equations
Algebraic Manipulation

Formulas

Linear Equation Formula: ax + b = cx + d

Theorems

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Suitable Grade Level

Grades 8-10