0.142857(105+r)=20

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Solution for 0.142857(105+r)=20 equation: 


Simplifying
0.142857(105 + r) = 20
(105 * 0.142857 + r * 0.142857) = 20
(14.999985 + 0.142857r) = 20

Solving
14.999985 + 0.142857r = 20

Solving for variable 'r'.

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

Add '-14.999985' to each side of the equation.
14.999985 + -14.999985 + 0.142857r = 20 + -14.999985

Combine like terms: 14.999985 + -14.999985 = 0.000000
0.000000 + 0.142857r = 20 + -14.999985
0.142857r = 20 + -14.999985

Combine like terms: 20 + -14.999985 = 5.000015
0.142857r = 5.000015

Divide each side by '0.142857'.
r = 35.00014

Simplifying
r = 35.00014

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