-11=r+1-8

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Solution for -11=r+1-8 equation:


Simplifying
-11 = r + 1 + -8

Reorder the terms:
-11 = 1 + -8 + r

Combine like terms: 1 + -8 = -7
-11 = -7 + r

Solving
-11 = -7 + 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.
-11 + -1r = -7 + r + -1r

Combine like terms: r + -1r = 0
-11 + -1r = -7 + 0
-11 + -1r = -7

Add '11' to each side of the equation.
-11 + 11 + -1r = -7 + 11

Combine like terms: -11 + 11 = 0
0 + -1r = -7 + 11
-1r = -7 + 11

Combine like terms: -7 + 11 = 4
-1r = 4

Divide each side by '-1'.
r = -4

Simplifying
r = -4

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