SOLUTION: I need to use any method to solve:{x/2-y/4=-4
{X+y=-2
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Question 468432: I need to use any method to solve:{x/2-y/4=-4
{X+y=-2
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
I need to use any method to solve:
= -4
x + y = -2
:
Multiply the 1st equation by 4, resulting in
2x - y = -16
x + y = -2
----------------adding eliminates y, find x
3x = -18
x =
x = -6
Find y
x + y = -2
-6 + y = -2
y = -2 + 6
y = 4
:
:
Check solutions, in the 1st original equation
= -4
= -4
- 1 = -4
-3 - 1 = -4
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