1. Move 2t to the left-hand side and change its sign
4t + 10 - 2t = 20
2. Move 10 to the right-hand side and change its sign
4t - 2t = 20 - 10
3. Collect like terms
2t = 20 - 10
4. Subtract the numbers
2t = 10
5. Divide both sides by 2
2t = 10 ➗ 2
Write the value of t
t = 5
