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bonjour

4 - 9 t = 10 - 6 t

- 9 t + 6 t = 10 - 4

- 3 t = 6

t = - 6/3 = - 2

Bonjour

4-9t=10-6t

- 9t + 6t = 10 - 4

- 3t = 6

t = - 6/3

t = - 2.