-7(-10+-7r)=

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


Simplifying
-7(-10 + -7r) = 0
(-10 * -7 + -7r * -7) = 0
(70 + 49r) = 0

Solving
70 + 49r = 0

Solving for variable 'r'.

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

Add '-70' to each side of the equation.
70 + -70 + 49r = 0 + -70

Combine like terms: 70 + -70 = 0
0 + 49r = 0 + -70
49r = 0 + -70

Combine like terms: 0 + -70 = -70
49r = -70

Divide each side by '49'.
r = -1.428571429

Simplifying
r = -1.428571429

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