1r+11-3r=15+2r

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Solution for 1r+11-3r=15+2r equation:


Simplifying
1r + 11 + -3r = 15 + 2r

Reorder the terms:
11 + 1r + -3r = 15 + 2r

Combine like terms: 1r + -3r = -2r
11 + -2r = 15 + 2r

Solving
11 + -2r = 15 + 2r

Solving for variable 'r'.

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

Add '-2r' to each side of the equation.
11 + -2r + -2r = 15 + 2r + -2r

Combine like terms: -2r + -2r = -4r
11 + -4r = 15 + 2r + -2r

Combine like terms: 2r + -2r = 0
11 + -4r = 15 + 0
11 + -4r = 15

Add '-11' to each side of the equation.
11 + -11 + -4r = 15 + -11

Combine like terms: 11 + -11 = 0
0 + -4r = 15 + -11
-4r = 15 + -11

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

Divide each side by '-4'.
r = -1

Simplifying
r = -1

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