28=t(r-4)

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Solution for 28=t(r-4) equation:


Simplifying
28 = t(r + -4)

Reorder the terms:
28 = t(-4 + r)
28 = (-4 * t + r * t)

Reorder the terms:
28 = (rt + -4t)
28 = (rt + -4t)

Solving
28 = rt + -4t

Solving for variable 'r'.

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

Add '-1rt' to each side of the equation.
28 + -1rt = rt + -1rt + -4t

Combine like terms: rt + -1rt = 0
28 + -1rt = 0 + -4t
28 + -1rt = -4t

Add '-28' to each side of the equation.
28 + -28 + -1rt = -28 + -4t

Combine like terms: 28 + -28 = 0
0 + -1rt = -28 + -4t
-1rt = -28 + -4t

Divide each side by '-1t'.
r = 28t-1 + 4

Simplifying
r = 28t-1 + 4

Reorder the terms:
r = 4 + 28t-1

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