7-2r=4r-11

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Solution for 7-2r=4r-11 equation:


Simplifying
7 + -2r = 4r + -11

Reorder the terms:
7 + -2r = -11 + 4r

Solving
7 + -2r = -11 + 4r

Solving for variable 'r'.

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

Add '-4r' to each side of the equation.
7 + -2r + -4r = -11 + 4r + -4r

Combine like terms: -2r + -4r = -6r
7 + -6r = -11 + 4r + -4r

Combine like terms: 4r + -4r = 0
7 + -6r = -11 + 0
7 + -6r = -11

Add '-7' to each side of the equation.
7 + -7 + -6r = -11 + -7

Combine like terms: 7 + -7 = 0
0 + -6r = -11 + -7
-6r = -11 + -7

Combine like terms: -11 + -7 = -18
-6r = -18

Divide each side by '-6'.
r = 3

Simplifying
r = 3

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