-57=2t-21t

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Solution for -57=2t-21t equation:


Simplifying
-57 = 2t + -21t

Combine like terms: 2t + -21t = -19t
-57 = -19t

Solving
-57 = -19t

Solving for variable 't'.

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

Add '19t' to each side of the equation.
-57 + 19t = -19t + 19t

Combine like terms: -19t + 19t = 0
-57 + 19t = 0

Add '57' to each side of the equation.
-57 + 57 + 19t = 0 + 57

Combine like terms: -57 + 57 = 0
0 + 19t = 0 + 57
19t = 0 + 57

Combine like terms: 0 + 57 = 57
19t = 57

Divide each side by '19'.
t = 3

Simplifying
t = 3

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