-7.123(1.8-2.2r)=88.567382

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Solution for -7.123(1.8-2.2r)=88.567382 equation: 


Simplifying
-7.123(1.8 + -2.2r) = 88.567382
(1.8 * -7.123 + -2.2r * -7.123) = 88.567382
(-12.8214 + 15.6706r) = 88.567382

Solving
-12.8214 + 15.6706r = 88.567382

Solving for variable 'r'.

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

Add '12.8214' to each side of the equation.
-12.8214 + 12.8214 + 15.6706r = 88.567382 + 12.8214

Combine like terms: -12.8214 + 12.8214 = 0.0000
0.0000 + 15.6706r = 88.567382 + 12.8214
15.6706r = 88.567382 + 12.8214

Combine like terms: 88.567382 + 12.8214 = 101.388782
15.6706r = 101.388782

Divide each side by '15.6706'.
r = 6.47

Simplifying
r = 6.47

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