3=7-2t

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Solution for 3=7-2t equation:


Simplifying
3 = 7 + -2t

Solving
3 = 7 + -2t

Solving for variable 't'.

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

Add '2t' to each side of the equation.
3 + 2t = 7 + -2t + 2t

Combine like terms: -2t + 2t = 0
3 + 2t = 7 + 0
3 + 2t = 7

Add '-3' to each side of the equation.
3 + -3 + 2t = 7 + -3

Combine like terms: 3 + -3 = 0
0 + 2t = 7 + -3
2t = 7 + -3

Combine like terms: 7 + -3 = 4
2t = 4

Divide each side by '2'.
t = 2

Simplifying
t = 2

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