Solve, using linear combination.
3x + y = 4
2x + y = 4
1 answer:
X would be 0 while Y would be 4
3x+y=4
-(2x+y=4)
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x=0
Plug in x to any of those two equations in their original form
3(0)+y=4
0 + y = 4
y = 4
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2y = -x + 7
Step-by-step explanation:
y = -1/2x + 7/2 (Multiply by 2)
2y = -x + 7