Lesson Example Discussion Quiz: Class Homework |
Step-3 |
Title: Proportion |
Grade: 8-a Lesson: S2-L6 |
Explanation: Hello Students, time to practice and review the steps for the problem. |
Lesson Steps
| Step | Type | Explanation | Answer |
|---|---|---|---|
1 |
Problem |
Solving the Proportion \$(2x + 1) : 3\$ = \$(x + 2) : 3\$. |
|
2 |
Step |
Given Proportion. |
\$(2x + 1) : 3\$ = \$(x + 2) : 3\$ |
3 |
Step |
First, convert the provided proportion into a fraction. |
\$(2x + 1) / 3\$ = \$(x + 2) / 3\$ |
4 |
Step |
To solve the proportion, begin by cross-multiplying. |
\$(2x + 1)3\$ = \$(x + 2)3\$ |
5 |
Step |
Move the variables to one side and the constants to the other side carefully. |
\$6x - 3x = 6 - 3\$ |
6 |
Step |
Divide both sides by the number connected to the variable |
\$(3x)/3 = 3/3\$ |
7 |
Step |
The value of x is: |
\$x = 1\$ |
8 |
Answer |
D |
|
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