8r-11-12r=4+-3r-16

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Solution for 8r-11-12r=4+-3r-16 equation:


Simplifying
8r + -11 + -12r = 4 + -3r + -16

Reorder the terms:
-11 + 8r + -12r = 4 + -3r + -16

Combine like terms: 8r + -12r = -4r
-11 + -4r = 4 + -3r + -16

Reorder the terms:
-11 + -4r = 4 + -16 + -3r

Combine like terms: 4 + -16 = -12
-11 + -4r = -12 + -3r

Solving
-11 + -4r = -12 + -3r

Solving for variable 'r'.

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

Add '3r' to each side of the equation.
-11 + -4r + 3r = -12 + -3r + 3r

Combine like terms: -4r + 3r = -1r
-11 + -1r = -12 + -3r + 3r

Combine like terms: -3r + 3r = 0
-11 + -1r = -12 + 0
-11 + -1r = -12

Add '11' to each side of the equation.
-11 + 11 + -1r = -12 + 11

Combine like terms: -11 + 11 = 0
0 + -1r = -12 + 11
-1r = -12 + 11

Combine like terms: -12 + 11 = -1
-1r = -1

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

Simplifying
r = 1

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