SOLUTION: One number is 1 less than a second number. Twice the second number is 4 less than 3 times the first. Find the two numbers.
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Question 276211
:
One number is 1 less than a second number. Twice the second number is 4 less than 3 times the first. Find the two numbers.
Answer by
checkley77(12844)
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x=y-1
2y=3x-4
Repalce x in the second equation by (y-1) & solve for y
2y=3(y-1)-4
2y=3y-3-4
2y-3y=-7
-1y=-7
y=-7/-1
y=7 ans.
x=7-1
x=6 ans.
Proof:
2*7=3*6-4
14=18-4
14=14