Solve the following independent system of equations.5𝑥−6𝑦=−3910𝑥−3𝑦=3𝑥= 𝑦=
Question
Solve the following independent system of equations.5𝑥−6𝑦=−3910𝑥−3𝑦=3𝑥= 𝑦=
Solution 1
To solve the system of equations:
5x - 6y = -39 10x - 3y = 3
Step 1: Multiply the second equation by 2 to make the coefficients of x in both equations the same. This gives us:
5x - 6y = -39 20x - 6y = 6
Step 2: Subtract the first equation from the new second equation. This will eliminate y:
20x - 5x = 6 - (-39) 15x = 45 x = 45 / 15 x = 3
Step 3: Substitute x = 3 into the first equation:
5(3) - 6y = -39 15 - 6y = -39 -6y = -39 - 15 -6y = -54 y = -54 / -6 y = 9
So, the solution to the system of equations is x = 3, y = 9.
Solution 2
Sure, let's solve the system of equations step by step.
The system of equations is:
- 5x - 6y = -39
- 10x - 3y = 3
Step 1: Multiply the second equation by 2 to make the coefficients of x in both equations the same. This gives us:
20x - 6y = 6
Step 2: Now we have a new system of equations:
5x - 6y = -39 20x - 6y = 6
Step 3: Subtract the first equation from the second to eliminate y. This gives us:
15x = 45
Step 4: Divide both sides by 15 to solve for x:
x = 3
Step 5: Substitute x = 3 into the first equation to solve for y:
5(3) - 6y = -39 15 - 6y = -39 -6y = -54 y = 9
So, the solution to the system of equations is x = 3, y = 9.
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