5t - 9 = -3t + 7? | fedest.com

2 ⤊

5t - 9 = -3t + 7?

whats the answer

2007-12-04 02:12:11 · 4 answers · asked by Don L 1 in Science & Mathematics ➔ Mathematics

4 answers

5t - 9 = -3t + 7

5t - 9 + 3t + 9 - 7 = - 3t + 7 + 3t + 9

5t + (-9 + 9) + 3t = (-3t + 3t) + 7 + 9

5t + 0 + 3t = 0 + 7 + 9

8t = 16

8t/8 = 16/8

t = 2

Answer t = 2

2007-12-07 06:02:43 · answer #1 · answered by Anonymous · 0⤊ 1⤋

5t - 9 = -3t + 7, so

8t - 9 = 7, so

8t = 16, so

t = 2.

Hope this helps, Twiggy.

2007-12-04 10:32:48 · answer #2 · answered by Twiggy 7 · 0⤊ 0⤋

5t-9 =-3t+7
5t+3t=7+9
8t=16
t=2

2007-12-04 10:34:02 · answer #3 · answered by surmy 2 · 0⤊ 1⤋

8t = 16
t = 2

2007-12-04 18:05:14 · answer #4 · answered by Como 7 · 2⤊ 0⤋