3r-7(11-11r)=

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Solution for 3r-7(11-11r)= equation:


Simplifying
3r + -7(11 + -11r) = 0
3r + (11 * -7 + -11r * -7) = 0
3r + (-77 + 77r) = 0

Reorder the terms:
-77 + 3r + 77r = 0

Combine like terms: 3r + 77r = 80r
-77 + 80r = 0

Solving
-77 + 80r = 0

Solving for variable 'r'.

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

Add '77' to each side of the equation.
-77 + 77 + 80r = 0 + 77

Combine like terms: -77 + 77 = 0
0 + 80r = 0 + 77
80r = 0 + 77

Combine like terms: 0 + 77 = 77
80r = 77

Divide each side by '80'.
r = 0.9625

Simplifying
r = 0.9625

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