8=r-3

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Solution for 8=r-3 equation:


Simplifying
8 = r + -3

Reorder the terms:
8 = -3 + r

Solving
8 = -3 + r

Solving for variable 'r'.

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

Add '-1r' to each side of the equation.
8 + -1r = -3 + r + -1r

Combine like terms: r + -1r = 0
8 + -1r = -3 + 0
8 + -1r = -3

Add '-8' to each side of the equation.
8 + -8 + -1r = -3 + -8

Combine like terms: 8 + -8 = 0
0 + -1r = -3 + -8
-1r = -3 + -8

Combine like terms: -3 + -8 = -11
-1r = -11

Divide each side by '-1'.
r = 11

Simplifying
r = 11

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