t+13=20

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Solution for t+13=20 equation: 


Simplifying
t + 13 = 20

Reorder the terms:
13 + t = 20

Solving
13 + t = 20

Solving for variable 't'.

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

Add '-13' to each side of the equation.
13 + -13 + t = 20 + -13

Combine like terms: 13 + -13 = 0
0 + t = 20 + -13
t = 20 + -13

Combine like terms: 20 + -13 = 7
t = 7

Simplifying
t = 7

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