Simplifying:
2t+-7=1
Reorder the terms:
-7+2t=1
Solving variable for "t."
Move all terms containing "t" to the left
Add "7" to each side of the equation
-7+7+2+=1+7
Combine the terms
-7+7=0
0+2+=1+7
2t=17
Combine the like terms:
1+7=8
2t=8
Divide each side by 2. You now have: t=4
Good luck, hope this helped! :)