7r+7(10r+2)=

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Solution for 7r+7(10r+2)= equation:


Simplifying
7r + 7(10r + 2) = 0

Reorder the terms:
7r + 7(2 + 10r) = 0
7r + (2 * 7 + 10r * 7) = 0
7r + (14 + 70r) = 0

Reorder the terms:
14 + 7r + 70r = 0

Combine like terms: 7r + 70r = 77r
14 + 77r = 0

Solving
14 + 77r = 0

Solving for variable 'r'.

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

Add '-14' to each side of the equation.
14 + -14 + 77r = 0 + -14

Combine like terms: 14 + -14 = 0
0 + 77r = 0 + -14
77r = 0 + -14

Combine like terms: 0 + -14 = -14
77r = -14

Divide each side by '77'.
r = -0.1818181818

Simplifying
r = -0.1818181818

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