(-t+rs)-(t-rs)=

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Solution for (-t+rs)-(t-rs)= equation:


Simplifying
(-1t + rs) + -1(t + -1rs) = 0

Reorder the terms:
(rs + -1t) + -1(t + -1rs) = 0

Remove parenthesis around (rs + -1t)
rs + -1t + -1(t + -1rs) = 0

Reorder the terms:
rs + -1t + -1(-1rs + t) = 0
rs + -1t + (-1rs * -1 + t * -1) = 0
rs + -1t + (1rs + -1t) = 0

Reorder the terms:
rs + 1rs + -1t + -1t = 0

Combine like terms: rs + 1rs = 2rs
2rs + -1t + -1t = 0

Combine like terms: -1t + -1t = -2t
2rs + -2t = 0

Solving
2rs + -2t = 0

Solving for variable 'r'.

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

Add '2t' to each side of the equation.
2rs + -2t + 2t = 0 + 2t

Combine like terms: -2t + 2t = 0
2rs + 0 = 0 + 2t
2rs = 0 + 2t
Remove the zero:
2rs = 2t

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

Simplifying
r = s-1t

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