Answer:
x = 4
Step-by-step explanation:
2x - y = 11
X + 3y = -5
Multiply the first equation by 3
3(2x - y )= 11*3
6x - 3y = 33
Add this to the second equation to eliminate y
6x - 3y = 33
X + 3y = -5
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7x = 28
Divide by 7
7x/7 = 28/7
x = 4
