10r+11=-2r-1

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Solution for 10r+11=-2r-1 equation: 


Simplifying
10r + 11 = -2r + -1

Reorder the terms:
11 + 10r = -2r + -1

Reorder the terms:
11 + 10r = -1 + -2r

Solving
11 + 10r = -1 + -2r

Solving for variable 'r'.

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

Add '2r' to each side of the equation.
11 + 10r + 2r = -1 + -2r + 2r

Combine like terms: 10r + 2r = 12r
11 + 12r = -1 + -2r + 2r

Combine like terms: -2r + 2r = 0
11 + 12r = -1 + 0
11 + 12r = -1

Add '-11' to each side of the equation.
11 + -11 + 12r = -1 + -11

Combine like terms: 11 + -11 = 0
0 + 12r = -1 + -11
12r = -1 + -11

Combine like terms: -1 + -11 = -12
12r = -12

Divide each side by '12'.
r = -1

Simplifying
r = -1

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