7t+21=8t+3

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Solution for 7t+21=8t+3 equation:


Simplifying
7t + 21 = 8t + 3

Reorder the terms:
21 + 7t = 8t + 3

Reorder the terms:
21 + 7t = 3 + 8t

Solving
21 + 7t = 3 + 8t

Solving for variable 't'.

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

Add '-8t' to each side of the equation.
21 + 7t + -8t = 3 + 8t + -8t

Combine like terms: 7t + -8t = -1t
21 + -1t = 3 + 8t + -8t

Combine like terms: 8t + -8t = 0
21 + -1t = 3 + 0
21 + -1t = 3

Add '-21' to each side of the equation.
21 + -21 + -1t = 3 + -21

Combine like terms: 21 + -21 = 0
0 + -1t = 3 + -21
-1t = 3 + -21

Combine like terms: 3 + -21 = -18
-1t = -18

Divide each side by '-1'.
t = 18

Simplifying
t = 18

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