-4=2tr-2

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Solution for -4=2tr-2 equation:


Simplifying
-4 = 2tr + -2

Reorder the terms:
-4 = -2 + 2rt

Solving
-4 = -2 + 2rt

Solving for variable 'r'.

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

Add '-2rt' to each side of the equation.
-4 + -2rt = -2 + 2rt + -2rt

Combine like terms: 2rt + -2rt = 0
-4 + -2rt = -2 + 0
-4 + -2rt = -2

Add '4' to each side of the equation.
-4 + 4 + -2rt = -2 + 4

Combine like terms: -4 + 4 = 0
0 + -2rt = -2 + 4
-2rt = -2 + 4

Combine like terms: -2 + 4 = 2
-2rt = 2

Divide each side by '-2t'.
r = -1t-1

Simplifying
r = -1t-1

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