23. The solution of the equations x - y = 2 and
x + y = 4 is
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Answer:
X = 3, Y = 1
Step-by-step explanation:
IF X = 3 AND Y = 1, THEN X - Y = 2
IF X = 3 AND Y = 1, THEN X + Y = 4
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x-y=2-. (1)
x+y=4. (2)
let x=y+2. (3)
y+2+y=4. from (3)
2y+2=4------2y=2----y=1
x=y+2------1+2=3
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