18+7t=9t+12

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Solution for 18+7t=9t+12 equation:


Simplifying
18 + 7t = 9t + 12

Reorder the terms:
18 + 7t = 12 + 9t

Solving
18 + 7t = 12 + 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.
18 + 7t + -9t = 12 + 9t + -9t

Combine like terms: 7t + -9t = -2t
18 + -2t = 12 + 9t + -9t

Combine like terms: 9t + -9t = 0
18 + -2t = 12 + 0
18 + -2t = 12

Add '-18' to each side of the equation.
18 + -18 + -2t = 12 + -18

Combine like terms: 18 + -18 = 0
0 + -2t = 12 + -18
-2t = 12 + -18

Combine like terms: 12 + -18 = -6
-2t = -6

Divide each side by '-2'.
t = 3

Simplifying
t = 3

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