8-x=2r-1

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Solution for 8-x=2r-1 equation:


Simplifying
8 + -1x = 2r + -1

Reorder the terms:
8 + -1x = -1 + 2r

Solving
8 + -1x = -1 + 2r

Solving for variable 'x'.

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

Add '-8' to each side of the equation.
8 + -8 + -1x = -1 + -8 + 2r

Combine like terms: 8 + -8 = 0
0 + -1x = -1 + -8 + 2r
-1x = -1 + -8 + 2r

Combine like terms: -1 + -8 = -9
-1x = -9 + 2r

Divide each side by '-1'.
x = 9 + -2r

Simplifying
x = 9 + -2r

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