7t+21=28

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Solution for 7t+21=28 equation: 


Simplifying
7t + 21 = 28

Reorder the terms:
21 + 7t = 28

Solving
21 + 7t = 28

Solving for variable 't'.

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

Add '-21' to each side of the equation.
21 + -21 + 7t = 28 + -21

Combine like terms: 21 + -21 = 0
0 + 7t = 28 + -21
7t = 28 + -21

Combine like terms: 28 + -21 = 7
7t = 7

Divide each side by '7'.
t = 1

Simplifying
t = 1

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