t-18+9=11

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Solution for t-18+9=11 equation:


Simplifying
t + -18 + 9 = 11

Reorder the terms:
-18 + 9 + t = 11

Combine like terms: -18 + 9 = -9
-9 + t = 11

Solving
-9 + t = 11

Solving for variable 't'.

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

Add '9' to each side of the equation.
-9 + 9 + t = 11 + 9

Combine like terms: -9 + 9 = 0
0 + t = 11 + 9
t = 11 + 9

Combine like terms: 11 + 9 = 20
t = 20

Simplifying
t = 20

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