7r-5(2-9r)=

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Solution for 7r-5(2-9r)= equation:


Simplifying
7r + -5(2 + -9r) = 0
7r + (2 * -5 + -9r * -5) = 0
7r + (-10 + 45r) = 0

Reorder the terms:
-10 + 7r + 45r = 0

Combine like terms: 7r + 45r = 52r
-10 + 52r = 0

Solving
-10 + 52r = 0

Solving for variable 'r'.

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

Add '10' to each side of the equation.
-10 + 10 + 52r = 0 + 10

Combine like terms: -10 + 10 = 0
0 + 52r = 0 + 10
52r = 0 + 10

Combine like terms: 0 + 10 = 10
52r = 10

Divide each side by '52'.
r = 0.1923076923

Simplifying
r = 0.1923076923

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