3x + 2y = -9
4x - 2y = -26
please help I have to solve this with the elimination method
1 answer:
Answer:
x = - 5, y = 3
Step-by-step explanation:
Given the 2 equations
3x + 2y = - 9 → (1)
4x - 2y = - 26 → (2)
Adding (1) and (2) term by term eliminates the y- term, that is
7x = - 35 ( divide both sides by 7 )
x = - 5
Substitute x = - 5 into either of the 2 equations and solve for y
Substituting into (1)
3(- 5) + 2y = - 9
- 15 + 2y = - 9 ( add 15 to both sides )
2y = 6 ( divide both sides by 2 )
y = 3
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