-2r-3(2r+4)=-11r

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Solution for -2r-3(2r+4)=-11r equation:


Simplifying
-2r + -3(2r + 4) = -11r

Reorder the terms:
-2r + -3(4 + 2r) = -11r
-2r + (4 * -3 + 2r * -3) = -11r
-2r + (-12 + -6r) = -11r

Reorder the terms:
-12 + -2r + -6r = -11r

Combine like terms: -2r + -6r = -8r
-12 + -8r = -11r

Solving
-12 + -8r = -11r

Solving for variable 'r'.

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

Add '11r' to each side of the equation.
-12 + -8r + 11r = -11r + 11r

Combine like terms: -8r + 11r = 3r
-12 + 3r = -11r + 11r

Combine like terms: -11r + 11r = 0
-12 + 3r = 0

Add '12' to each side of the equation.
-12 + 12 + 3r = 0 + 12

Combine like terms: -12 + 12 = 0
0 + 3r = 0 + 12
3r = 0 + 12

Combine like terms: 0 + 12 = 12
3r = 12

Divide each side by '3'.
r = 4

Simplifying
r = 4

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