11+2r=-(4-r)

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Solution for 11+2r=-(4-r) equation: 


Simplifying
11 + 2r = -1(4 + -1r)
11 + 2r = (4 * -1 + -1r * -1)
11 + 2r = (-4 + 1r)

Solving
11 + 2r = -4 + 1r

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 + 2r + -1r = -4 + 1r + -1r

Combine like terms: 2r + -1r = 1r
11 + 1r = -4 + 1r + -1r

Combine like terms: 1r + -1r = 0
11 + 1r = -4 + 0
11 + 1r = -4

Add '-11' to each side of the equation.
11 + -11 + 1r = -4 + -11

Combine like terms: 11 + -11 = 0
0 + 1r = -4 + -11
1r = -4 + -11

Combine like terms: -4 + -11 = -15
1r = -15

Divide each side by '1'.
r = -15

Simplifying
r = -15

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