Pierce Harrington
01/02/2023 · Junior High School
\( \left. \begin{array} { l } { y q u e = 5 \perp A - y = \frac { 1 } { 2 } x - 4 } \\ { y - ( - 3 ) = - 2 ( y - 1 ) } \\ { y + 3 = - 2 x + 2 - 3 } \\ { y = 2 x - 1 } \end{array} \right. \)
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Tutor-Verified Answer
Step-by-step Solution
To solve the system of equations given, we will analyze each equation step by step.
1. **First Equation**:
\[
y = 5 \perp A - y = \frac{1}{2} x - 4
\]
This equation seems to have a formatting issue. Assuming it means \( y = \frac{1}{2} x - 4 \).
2. **Second Equation**:
\[
y - (-3) = -2(y - 1)
\]
Simplifying this:
\[
y + 3 = -2y + 2
\]
Rearranging gives:
\[
y + 2y = 2 - 3 \implies 3y = -1 \implies y = -\frac{1}{3}
\]
3. **Third Equation**:
\[
y + 3 = -2x + 2 - 3
\]
Simplifying this:
\[
y + 3 = -2x - 1
\]
Rearranging gives:
\[
y = -2x - 1 - 3 \implies y = -2x - 4
\]
4. **Fourth Equation**:
\[
y = 2x - 1
\]
Now we have the following equations to work with:
1. \( y = \frac{1}{2} x - 4 \)
2. \( y = -\frac{1}{3} \)
3. \( y = -2x - 4 \)
4. \( y = 2x - 1 \)
Next, we will substitute \( y = -\frac{1}{3} \) into the other equations to find \( x \).
**Substituting into the first equation**:
\[
-\frac{1}{3} = \frac{1}{2} x - 4
\]
Multiplying through by 6 to eliminate the fraction:
\[
-2 = 3x - 24 \implies 3x = 22 \implies x = \frac{22}{3}
\]
**Substituting into the third equation**:
\[
-\frac{1}{3} = -2x - 4
\]
Multiplying through by -1:
\[
\frac{1}{3} = 2x + 4
\]
Multiplying through by 3:
\[
1 = 6x + 12 \implies 6x = -11 \implies x = -\frac{11}{6}
\]
**Substituting into the fourth equation**:
\[
-\frac{1}{3} = 2x - 1
\]
Adding 1 to both sides:
\[
\frac{2}{3} = 2x \implies x = \frac{1}{3}
\]
Now we have three different values for \( x \) corresponding to \( y = -\frac{1}{3} \):
1. \( (x, y) = \left(\frac{22}{3}, -\frac{1}{3}\right) \)
2. \( (x, y) = \left(-\frac{11}{6}, -\frac{1}{3}\right) \)
3. \( (x, y) = \left(\frac{1}{3}, -\frac{1}{3}\right) \)
Thus, the solutions to the system of equations are:
- \( \left(\frac{22}{3}, -\frac{1}{3}\right) \)
- \( \left(-\frac{11}{6}, -\frac{1}{3}\right) \)
- \( \left(\frac{1}{3}, -\frac{1}{3}\right) \)
If you need further clarification or a specific solution, please let me know!
Quick Answer
The solutions to the system of equations are:
- \( \left(\frac{22}{3}, -\frac{1}{3}\right) \)
- \( \left(-\frac{11}{6}, -\frac{1}{3}\right) \)
- \( \left(\frac{1}{3}, -\frac{1}{3}\right) \)
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