8t-21=5t-18

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Solution for 8t-21=5t-18 equation:


Simplifying
8t + -21 = 5t + -18

Reorder the terms:
-21 + 8t = 5t + -18

Reorder the terms:
-21 + 8t = -18 + 5t

Solving
-21 + 8t = -18 + 5t

Solving for variable 't'.

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

Add '-5t' to each side of the equation.
-21 + 8t + -5t = -18 + 5t + -5t

Combine like terms: 8t + -5t = 3t
-21 + 3t = -18 + 5t + -5t

Combine like terms: 5t + -5t = 0
-21 + 3t = -18 + 0
-21 + 3t = -18

Add '21' to each side of the equation.
-21 + 21 + 3t = -18 + 21

Combine like terms: -21 + 21 = 0
0 + 3t = -18 + 21
3t = -18 + 21

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

Divide each side by '3'.
t = 1

Simplifying
t = 1

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