Answer:
x = 0
Step-by-step explanation:
x + y = 2
y = 2 - 3x
x + (2 - 3x) = 2
(-3x + x) + (2) = 2
-2x + 2-2 = 2-2
-2x = 0
-2x/-2 = 0/-2
0 + (2 - 3(0)) = 2
2 = 2
True
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