1+8r=-11+8r-2r

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Solution for 1+8r=-11+8r-2r equation:


Simplifying
1 + 8r = -11 + 8r + -2r

Combine like terms: 8r + -2r = 6r
1 + 8r = -11 + 6r

Solving
1 + 8r = -11 + 6r

Solving for variable 'r'.

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

Add '-6r' to each side of the equation.
1 + 8r + -6r = -11 + 6r + -6r

Combine like terms: 8r + -6r = 2r
1 + 2r = -11 + 6r + -6r

Combine like terms: 6r + -6r = 0
1 + 2r = -11 + 0
1 + 2r = -11

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

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

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

Divide each side by '2'.
r = -6

Simplifying
r = -6

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