We are asked to solve the system of linear equations: $3s + 2t = 10$ (1) $4s - 6t = 9$ (2) using the elimination method. The solution should be in the form of an ordered pair $(s, t)$.

AlgebraLinear EquationsSystems of EquationsElimination MethodSolving Equations
2025/3/17

1. Problem Description

We are asked to solve the system of linear equations:
3s+2t=103s + 2t = 10 (1)
4s6t=94s - 6t = 9 (2)
using the elimination method. The solution should be in the form of an ordered pair (s,t)(s, t).

2. Solution Steps

We can eliminate tt by multiplying equation (1) by 3:
3(3s+2t)=3(10)3(3s + 2t) = 3(10)
9s+6t=309s + 6t = 30 (3)
Now we add equation (3) and equation (2):
(9s+6t)+(4s6t)=30+9(9s + 6t) + (4s - 6t) = 30 + 9
13s=3913s = 39
s=3913s = \frac{39}{13}
s=3s = 3
Now substitute s=3s=3 into equation (1):
3(3)+2t=103(3) + 2t = 10
9+2t=109 + 2t = 10
2t=1092t = 10 - 9
2t=12t = 1
t=12t = \frac{1}{2}
Therefore, the solution is (s,t)=(3,12)(s, t) = (3, \frac{1}{2}).

3. Final Answer

(3,12)(3, \frac{1}{2})

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