2t+21=t+31

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Solution for 2t+21=t+31 equation:


Simplifying
2t + 21 = t + 31

Reorder the terms:
21 + 2t = t + 31

Reorder the terms:
21 + 2t = 31 + t

Solving
21 + 2t = 31 + 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.
21 + 2t + -1t = 31 + t + -1t

Combine like terms: 2t + -1t = 1t
21 + 1t = 31 + t + -1t

Combine like terms: t + -1t = 0
21 + 1t = 31 + 0
21 + 1t = 31

Add '-21' to each side of the equation.
21 + -21 + 1t = 31 + -21

Combine like terms: 21 + -21 = 0
0 + 1t = 31 + -21
1t = 31 + -21

Combine like terms: 31 + -21 = 10
1t = 10

Divide each side by '1'.
t = 10

Simplifying
t = 10

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