-12.26-7.7r=-17.2-10.3r

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Solution for -12.26-7.7r=-17.2-10.3r equation: 


Simplifying
-12.26 + -7.7r = -17.2 + -10.3r

Solving
-12.26 + -7.7r = -17.2 + -10.3r

Solving for variable 'r'.

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

Add '10.3r' to each side of the equation.
-12.26 + -7.7r + 10.3r = -17.2 + -10.3r + 10.3r

Combine like terms: -7.7r + 10.3r = 2.6r
-12.26 + 2.6r = -17.2 + -10.3r + 10.3r

Combine like terms: -10.3r + 10.3r = 0.0
-12.26 + 2.6r = -17.2 + 0.0
-12.26 + 2.6r = -17.2

Add '12.26' to each side of the equation.
-12.26 + 12.26 + 2.6r = -17.2 + 12.26

Combine like terms: -12.26 + 12.26 = 0.00
0.00 + 2.6r = -17.2 + 12.26
2.6r = -17.2 + 12.26

Combine like terms: -17.2 + 12.26 = -4.94
2.6r = -4.94

Divide each side by '2.6'.
r = -1.9

Simplifying
r = -1.9

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