Solve this system of equations using the substitution method.
-3x + y = 6
x + 2y = -2
Hint
Solve the first equation for y and substitute it into the second equation.
Answer
(-2, 0)
8x + 10y = 4
y = 6x + 2
Substitute the second equation into first equation.
Solve the system of linear equations using the substitution method.
3x + 5y = -9
Substitute x from the second equation into the first.
The lines are parallel, so there are no solutions.
6x = -y – 2
-12x – 2y = 4
Substitute y from the first equation into the second.
There are an infinite number of solutions; the lines are the same.
14x – y = 9
-2y = -8 – 28x
Sub in y from the first equation into the second.
There are no solutions, the lines are parallel.
4x – 2y = 3
2x + 5y = 1
Solve the second equation for y and sub into the first equation. Be careful with the fractions.
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