2t+9=t-12

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Solution for 2t+9=t-12 equation:


Simplifying
2t + 9 = t + -12

Reorder the terms:
9 + 2t = t + -12

Reorder the terms:
9 + 2t = -12 + t

Solving
9 + 2t = -12 + 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.
9 + 2t + -1t = -12 + t + -1t

Combine like terms: 2t + -1t = 1t
9 + 1t = -12 + t + -1t

Combine like terms: t + -1t = 0
9 + 1t = -12 + 0
9 + 1t = -12

Add '-9' to each side of the equation.
9 + -9 + 1t = -12 + -9

Combine like terms: 9 + -9 = 0
0 + 1t = -12 + -9
1t = -12 + -9

Combine like terms: -12 + -9 = -21
1t = -21

Divide each side by '1'.
t = -21

Simplifying
t = -21

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