21-10t+x+9-2t=

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Solution for 21-10t+x+9-2t= equation:


Simplifying
21 + -10t + x + 9 + -2t = 0

Reorder the terms:
21 + 9 + -10t + -2t + x = 0

Combine like terms: 21 + 9 = 30
30 + -10t + -2t + x = 0

Combine like terms: -10t + -2t = -12t
30 + -12t + x = 0

Solving
30 + -12t + x = 0

Solving for variable 't'.

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

Add '-30' to each side of the equation.
30 + -12t + -30 + x = 0 + -30

Reorder the terms:
30 + -30 + -12t + x = 0 + -30

Combine like terms: 30 + -30 = 0
0 + -12t + x = 0 + -30
-12t + x = 0 + -30

Combine like terms: 0 + -30 = -30
-12t + x = -30

Add '-1x' to each side of the equation.
-12t + x + -1x = -30 + -1x

Combine like terms: x + -1x = 0
-12t + 0 = -30 + -1x
-12t = -30 + -1x

Divide each side by '-12'.
t = 2.5 + 0.08333333333x

Simplifying
t = 2.5 + 0.08333333333x

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