anaemigarcia
30.11.2019 •
Mathematics
Jack cut a piece of wood that was 8 feet long into two pieces. one piece is three times as long as the other. how long is the shorter piece of wood? a. 1 foot long b. 2 feet long c. 4 feet long d. 3 feet long
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Ответ:
Ответ:
2x - 2 = -x + 1
Add 'x' to each side:
3x - 2 = 1
Add 2 to each side:
3x = 3
Divide each side by 3 :
x = 1
And then I guess y= 0 .