7(8+7r)=

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Solution for 7(8+7r)= equation: 


Simplifying
7(8 + 7r) = 0
(8 * 7 + 7r * 7) = 0
(56 + 49r) = 0

Solving
56 + 49r = 0

Solving for variable 'r'.

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

Add '-56' to each side of the equation.
56 + -56 + 49r = 0 + -56

Combine like terms: 56 + -56 = 0
0 + 49r = 0 + -56
49r = 0 + -56

Combine like terms: 0 + -56 = -56
49r = -56

Divide each side by '49'.
r = -1.142857143

Simplifying
r = -1.142857143

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