3-7t=-21+t

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


Simplifying
3 + -7t = -21 + t

Solving
3 + -7t = -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.
3 + -7t + -1t = -21 + t + -1t

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

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

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

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

Combine like terms: -21 + -3 = -24
-8t = -24

Divide each side by '-8'.
t = 3

Simplifying
t = 3

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