Question

If 3t − 7 = 5t , then 6t = how do you solve this

Answer 1

$3t-7=5t\\ 5t-3t=-7\\ 2t=-7|\cdot3\\ \boxed{6t=-21}$

Answer 2

$3t-7=5t \ \ \ |\hbox{subtract 3t} \\ -7=5t-3t \\ -7=2t \ \ \ |\hbox{multiply by 3} \\ \boxed{6t=-21}}$