85=15-14r

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Solution for 85=15-14r equation:


Simplifying
85 = 15 + -14r

Solving
85 = 15 + -14r

Solving for variable 'r'.

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

Add '14r' to each side of the equation.
85 + 14r = 15 + -14r + 14r

Combine like terms: -14r + 14r = 0
85 + 14r = 15 + 0
85 + 14r = 15

Add '-85' to each side of the equation.
85 + -85 + 14r = 15 + -85

Combine like terms: 85 + -85 = 0
0 + 14r = 15 + -85
14r = 15 + -85

Combine like terms: 15 + -85 = -70
14r = -70

Divide each side by '14'.
r = -5

Simplifying
r = -5

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