4=31-9t

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Solution for 4=31-9t equation:


Simplifying
4 = 31 + -9t

Solving
4 = 31 + -9t

Solving for variable 't'.

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

Add '9t' to each side of the equation.
4 + 9t = 31 + -9t + 9t

Combine like terms: -9t + 9t = 0
4 + 9t = 31 + 0
4 + 9t = 31

Add '-4' to each side of the equation.
4 + -4 + 9t = 31 + -4

Combine like terms: 4 + -4 = 0
0 + 9t = 31 + -4
9t = 31 + -4

Combine like terms: 31 + -4 = 27
9t = 27

Divide each side by '9'.
t = 3

Simplifying
t = 3

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