1+2r=-14-7-4r-5r

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Solution for 1+2r=-14-7-4r-5r equation: 


Simplifying
1 + 2r = -14 + -7 + -4r + -5r

Combine like terms: -14 + -7 = -21
1 + 2r = -21 + -4r + -5r

Combine like terms: -4r + -5r = -9r
1 + 2r = -21 + -9r

Solving
1 + 2r = -21 + -9r

Solving for variable 'r'.

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

Add '9r' to each side of the equation.
1 + 2r + 9r = -21 + -9r + 9r

Combine like terms: 2r + 9r = 11r
1 + 11r = -21 + -9r + 9r

Combine like terms: -9r + 9r = 0
1 + 11r = -21 + 0
1 + 11r = -21

Add '-1' to each side of the equation.
1 + -1 + 11r = -21 + -1

Combine like terms: 1 + -1 = 0
0 + 11r = -21 + -1
11r = -21 + -1

Combine like terms: -21 + -1 = -22
11r = -22

Divide each side by '11'.
r = -2

Simplifying
r = -2

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