Respuesta :

so one easy way is
divide both sides by 5
[tex] \frac{3x-7}{5} [/tex]=t
multiply both sides by 6

 [tex] \frac{6}{1} [/tex] times [tex] \frac{(3x-7)}{5} [/tex]=6 times t or

[tex] \frac{6 times (3x-7)}{5} [/tex]=6t or
[tex] \frac{18x-42}{5} [/tex]=6t