Answer:
t = 20
Step-by-step explanation:
First off we have t as the variable. So you don't really have much but to use PEMDAS and go through the equation step by step. Like so,
30 = 2t - 10
+ 10 +10
40 = 2t
Now to isolate the variable you must divide, since it's the opposite of multiplication.
40 ÷ 2 = 20
2t ÷ 2 = t
So what we are left with is t = 20
Hope that helps and have a great day!
