Solve the system of linear equations using the method of your choice:2x – 3y = 54x + y = 11
Question
Solve the system of linear equations using the method of your choice:
2x - 3y = 5
4x + y = 11
Solution
Sure, let's solve this system of linear equations step by step.
Step 1: Write down the system of equations:
2x – 3y = 5 4x + y = 11
Step 2: Multiply the second equation by 3 to make the y-coefficients in both equations cancel each other out when added:
12x + 3y = 33
Now our system of equations looks like this:
2x - 3y = 5 12x + 3y = 33
Step 3: Add the two equations together:
(2x - 3y) + (12x + 3y) = 5 + 33 14x = 38
Step 4: Solve for x by dividing both sides by 14:
x = 38 / 14 x = 2.71 (rounded to two decimal places)
Step 5: Substitute x = 2.71 into the second equation of our original system to solve for y:
4x + y = 11 4(2.71) + y = 11 10.84 + y = 11 y = 11 - 10.84 y = 0.16 (rounded to two decimal places)
So, the solution to the system of equations is x = 2.71 and y = 0.16.
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