19=t-21

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Solution for 19=t-21 equation:


Simplifying
19 = t + -21

Reorder the terms:
19 = -21 + t

Solving
19 = -21 + t

Solving for variable 't'.

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

Add '-1t' to each side of the equation.
19 + -1t = -21 + t + -1t

Combine like terms: t + -1t = 0
19 + -1t = -21 + 0
19 + -1t = -21

Add '-19' to each side of the equation.
19 + -19 + -1t = -21 + -19

Combine like terms: 19 + -19 = 0
0 + -1t = -21 + -19
-1t = -21 + -19

Combine like terms: -21 + -19 = -40
-1t = -40

Divide each side by '-1'.
t = 40

Simplifying
t = 40

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