Answer: MATH!!
Explanation:
y = 2x - 3
x + y = 1
So in the set of equations above we have a value for y in the former, so we plug it into the latter:
x + (2x - 3) = 1
simplify:
3x - 3 = 1
Ad 3 to both sides:
3x = 4
Divide by 3:
x = 4/3
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