x=-3, y=1
Step-by-step explanation:
Given equations are:
2x-3y=-9 Eqn 1
x+y = - 2 Eqn 2
From eqn 2:

Putting x=-y-2 in eqn 1

Hence,
x=-3, y=1
Keywords: Linear equations, Variables
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2x-y =3
multiply by 4
8x - 4y = 12
3x +4y = 10 (unchanged equation)
------------------add
11x = 22
answer is A. the first.
first equation multiplied by 4 then sum to get 11x = 22
Answer: 7/2 , 3/2
Step-by-step explanation:
Answer:
Step-by-step explanation:
hello

hope this helps
Difference is 2.71 and the estimate is 3