-7t+2t-9=30-12

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Solution for -7t+2t-9=30-12 equation:


Simplifying
-7t + 2t + -9 = 30 + -12

Reorder the terms:
-9 + -7t + 2t = 30 + -12

Combine like terms: -7t + 2t = -5t
-9 + -5t = 30 + -12

Combine like terms: 30 + -12 = 18
-9 + -5t = 18

Solving
-9 + -5t = 18

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 + -5t = 18 + 9

Combine like terms: -9 + 9 = 0
0 + -5t = 18 + 9
-5t = 18 + 9

Combine like terms: 18 + 9 = 27
-5t = 27

Divide each side by '-5'.
t = -5.4

Simplifying
t = -5.4

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