Posted by **Zakariya** on Saturday, February 1, 2014 at 5:34am.

Solve x-3t=6 and 4x+3t=9

- Mathematics -
**Steve**, Saturday, February 1, 2014 at 6:24am
well, we know that x = 3t+6, so use it:

4(3t+6)+3t = 9

12t+24+3t = 9

15t = -15

t = -1

so, x = 3t+6 = 3

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