Question

Quanto e essa soma 8t-6=t+15

Answer 1

8t -6 =t +15

8t -t = 15 +6

7t=21

t=21÷7

t=3

Answer 2

$8t-6=t+15\\\\ 8t-t=15+6\to \\\\ 7t=21\to \\\\ t= \frac{21}{7} \to \\\\ t=3$


Espero ter ajudado...