T+10+T=T+20

Solution for T+10+T=T+20 equation:

Simplifying
T + 10 + T = T + 20

Reorder the terms:
10 + T + T = T + 20

Combine like terms: T + T = 2T
10 + 2T = T + 20

Reorder the terms:
10 + 2T = 20 + T

Solving
10 + 2T = 20 + T

Solving for variable 'T'.

Move all terms containing T to the left, all other terms to the right.

Add '-1T' to each side of the equation.
10 + 2T + -1T = 20 + T + -1T

Combine like terms: 2T + -1T = 1T
10 + 1T = 20 + T + -1T

Combine like terms: T + -1T = 0
10 + 1T = 20 + 0
10 + 1T = 20

Add '-10' to each side of the equation.
10 + -10 + 1T = 20 + -10

Combine like terms: 10 + -10 = 0
0 + 1T = 20 + -10
1T = 20 + -10

Combine like terms: 20 + -10 = 10
1T = 10

Divide each side by '1'.
T = 10

Simplifying
T = 10