7+t=21

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Solution for 7+t=21 equation: 


Simplifying
7 + t = 21

Solving
7 + t = 21

Solving for variable 't'.

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

Add '-7' to each side of the equation.
7 + -7 + t = 21 + -7

Combine like terms: 7 + -7 = 0
0 + t = 21 + -7
t = 21 + -7

Combine like terms: 21 + -7 = 14
t = 14

Simplifying
t = 14

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