-13-5r-7r=4r+3

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Solution for -13-5r-7r=4r+3 equation:


Simplifying
-13 + -5r + -7r = 4r + 3

Combine like terms: -5r + -7r = -12r
-13 + -12r = 4r + 3

Reorder the terms:
-13 + -12r = 3 + 4r

Solving
-13 + -12r = 3 + 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.
-13 + -12r + -4r = 3 + 4r + -4r

Combine like terms: -12r + -4r = -16r
-13 + -16r = 3 + 4r + -4r

Combine like terms: 4r + -4r = 0
-13 + -16r = 3 + 0
-13 + -16r = 3

Add '13' to each side of the equation.
-13 + 13 + -16r = 3 + 13

Combine like terms: -13 + 13 = 0
0 + -16r = 3 + 13
-16r = 3 + 13

Combine like terms: 3 + 13 = 16
-16r = 16

Divide each side by '-16'.
r = -1

Simplifying
r = -1

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