-10=-7(-1+5r)-r

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Solution for -10=-7(-1+5r)-r equation:


Simplifying
-10 = -7(-1 + 5r) + -1r
-10 = (-1 * -7 + 5r * -7) + -1r
-10 = (7 + -35r) + -1r

Combine like terms: -35r + -1r = -36r
-10 = 7 + -36r

Solving
-10 = 7 + -36r

Solving for variable 'r'.

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

Add '36r' to each side of the equation.
-10 + 36r = 7 + -36r + 36r

Combine like terms: -36r + 36r = 0
-10 + 36r = 7 + 0
-10 + 36r = 7

Add '10' to each side of the equation.
-10 + 10 + 36r = 7 + 10

Combine like terms: -10 + 10 = 0
0 + 36r = 7 + 10
36r = 7 + 10

Combine like terms: 7 + 10 = 17
36r = 17

Divide each side by '36'.
r = 0.4722222222

Simplifying
r = 0.4722222222

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