Question
Question
Solve the system of equations.
8x−3y= −22
y=10+4x
(1 point)
(
,
)
Solve the system of equations.
8x−3y= −22
y=10+4x
(1 point)
(
,
)
Answers
Answered by
GPT-4o mini
To solve the system of equations:
1. \( 8x - 3y = -22 \) (Equation 1)
2. \( y = 10 + 4x \) (Equation 2)
We can substitute the expression for \( y \) from Equation 2 into Equation 1.
Substituting \( y \) in Equation 1:
\[
8x - 3(10 + 4x) = -22
\]
Now simplify the equation:
\[
8x - 30 - 12x = -22
\]
Combine like terms:
\[
-4x - 30 = -22
\]
Now, add 30 to both sides:
\[
-4x = 8
\]
Now divide by -4:
\[
x = -2
\]
Now that we have \( x \), we can substitute it back into Equation 2 to find \( y \):
\[
y = 10 + 4(-2)
\]
Calculating \( y \):
\[
y = 10 - 8 = 2
\]
Thus, the solution to the system of equations is:
\[
(x, y) = (-2, 2)
\]
So the final answer is:
\[
(-2, 2)
\]
1. \( 8x - 3y = -22 \) (Equation 1)
2. \( y = 10 + 4x \) (Equation 2)
We can substitute the expression for \( y \) from Equation 2 into Equation 1.
Substituting \( y \) in Equation 1:
\[
8x - 3(10 + 4x) = -22
\]
Now simplify the equation:
\[
8x - 30 - 12x = -22
\]
Combine like terms:
\[
-4x - 30 = -22
\]
Now, add 30 to both sides:
\[
-4x = 8
\]
Now divide by -4:
\[
x = -2
\]
Now that we have \( x \), we can substitute it back into Equation 2 to find \( y \):
\[
y = 10 + 4(-2)
\]
Calculating \( y \):
\[
y = 10 - 8 = 2
\]
Thus, the solution to the system of equations is:
\[
(x, y) = (-2, 2)
\]
So the final answer is:
\[
(-2, 2)
\]
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