Question

sole the systems of equations -9x+y=12 2x+4y=-28 (__,__) (1point)

Answer 1

To solve the system of equations, we can use the method of substitution or elimination.

Let's first use the method of substitution:

From the first equation, we can solve for y in terms of x:
-9x + y = 12
y = 9x + 12

Now we can substitute this expression for y into the second equation:
2x + 4(9x + 12) = -28
2x + 36x + 48 = -28
38x + 48 = -28
38x = -76
x = -76/38
x = -2

Now substitute the value of x back into the equation y = 9x + 12:
y = 9(-2) + 12
y = -18 + 12
y = -6

Therefore, the solution to the system of equations is x = -2 and y = -6.