The problem asks to solve the following system of linear equations: $4x - y = 1$ $3x + 4y = 34$ If a unique solution exists, we need to provide the ordered pair $(x, y)$. Otherwise, we should determine if there are infinitely many solutions or no solution.

AlgebraLinear EquationsSystem of EquationsElimination MethodSolution
2025/3/13

1. Problem Description

The problem asks to solve the following system of linear equations:
4xy=14x - y = 1
3x+4y=343x + 4y = 34
If a unique solution exists, we need to provide the ordered pair (x,y)(x, y). Otherwise, we should determine if there are infinitely many solutions or no solution.

2. Solution Steps

We can solve this system of equations using substitution or elimination. Let's use the elimination method.
First, multiply the first equation by 4 to eliminate yy:
4(4xy)=4(1)4(4x - y) = 4(1)
16x4y=416x - 4y = 4
Now we have the following system:
16x4y=416x - 4y = 4
3x+4y=343x + 4y = 34
Add the two equations together:
(16x4y)+(3x+4y)=4+34(16x - 4y) + (3x + 4y) = 4 + 34
19x=3819x = 38
Divide by 19:
x=3819=2x = \frac{38}{19} = 2
Now, substitute the value of xx back into the first equation 4xy=14x - y = 1 to find yy:
4(2)y=14(2) - y = 1
8y=18 - y = 1
y=81=7y = 8 - 1 = 7
So the solution is x=2x = 2 and y=7y = 7. The ordered pair is (2,7)(2, 7).
We can check this solution by substituting x=2x=2 and y=7y=7 into the second equation 3x+4y=343x+4y=34:
3(2)+4(7)=6+28=343(2) + 4(7) = 6 + 28 = 34, which is correct.

3. Final Answer

A. The solution to the system is (2,7)(2, 7).

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