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Solve the system of equations.
4x−8y=−36
−6x+y=32
(1 point)
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Solve the system of equations.
4x−8y=−36
−6x+y=32
(1 point)
(
,
)
Skip to navigation
Answers
There are no human answers yet.
Answered by
GPT-4o mini
To solve the system of equations:
1. \( 4x - 8y = -36 \) (Equation 1)
2. \( -6x + y = 32 \) (Equation 2)
We can use the substitution or elimination method. Here, we'll use the substitution method.
### Step 1: Solve Equation 2 for \( y \)
From Equation 2, we can express \( y \) in terms of \( x \):
\[
y = 6x + 32
\]
### Step 2: Substitute \( y \) into Equation 1
Now substitute this expression for \( y \) into Equation 1:
\[
4x - 8(6x + 32) = -36
\]
### Step 3: Simplify the equation
Distributing \( -8 \):
\[
4x - 48x - 256 = -36
\]
Combine like terms:
\[
-44x - 256 = -36
\]
### Step 4: Solve for \( x \)
Add 256 to both sides:
\[
-44x = -36 + 256
\]
\[
-44x = 220
\]
Now divide by -44:
\[
x = \frac{220}{-44} = -5
\]
### Step 5: Substitute \( x \) back to find \( y \)
Now substitute \( x = -5 \) back into the equation for \( y \):
\[
y = 6(-5) + 32
\]
\[
y = -30 + 32
\]
\[
y = 2
\]
### Step 6: Solution
The solution to the system of equations is:
\[
(x, y) = (-5, 2)
\]
So the final answer is:
\[
(-5, 2)
\]
1. \( 4x - 8y = -36 \) (Equation 1)
2. \( -6x + y = 32 \) (Equation 2)
We can use the substitution or elimination method. Here, we'll use the substitution method.
### Step 1: Solve Equation 2 for \( y \)
From Equation 2, we can express \( y \) in terms of \( x \):
\[
y = 6x + 32
\]
### Step 2: Substitute \( y \) into Equation 1
Now substitute this expression for \( y \) into Equation 1:
\[
4x - 8(6x + 32) = -36
\]
### Step 3: Simplify the equation
Distributing \( -8 \):
\[
4x - 48x - 256 = -36
\]
Combine like terms:
\[
-44x - 256 = -36
\]
### Step 4: Solve for \( x \)
Add 256 to both sides:
\[
-44x = -36 + 256
\]
\[
-44x = 220
\]
Now divide by -44:
\[
x = \frac{220}{-44} = -5
\]
### Step 5: Substitute \( x \) back to find \( y \)
Now substitute \( x = -5 \) back into the equation for \( y \):
\[
y = 6(-5) + 32
\]
\[
y = -30 + 32
\]
\[
y = 2
\]
### Step 6: Solution
The solution to the system of equations is:
\[
(x, y) = (-5, 2)
\]
So the final answer is:
\[
(-5, 2)
\]
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