What is the solution to the system of equations?7x + 3y = -8-4x - y = 6
Question
What is the solution to the system of equations?7x + 3y = -8-4x - y = 6
Solution
Sure, let's solve this system of equations step by step.
Step 1: Write down the system of equations:
7x + 3y = -8 -4x - y = 6
Step 2: Multiply the second equation by 3 to make the y-coefficients equal in both equations:
-12x - 3y = 18
Now the system of equations is:
7x + 3y = -8 -12x - 3y = 18
Step 3: Add the two equations together:
7x - 12x = -8 + 18 -5x = 10
Step 4: Solve for x:
x = 10 / -5 x = -2
Step 5: Substitute x = -2 into the first equation:
7(-2) + 3y = -8 -14 + 3y = -8 3y = -8 + 14 3y = 6
Step 6: Solve for y:
y = 6 / 3 y = 2
So, the solution to the system of equations is x = -2 and y = 2.
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