7(3r-2w)+3(5r+3w)=

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Solution for 7(3r-2w)+3(5r+3w)= equation:


Simplifying
7(3r + -2w) + 3(5r + 3w) = 0
(3r * 7 + -2w * 7) + 3(5r + 3w) = 0
(21r + -14w) + 3(5r + 3w) = 0
21r + -14w + (5r * 3 + 3w * 3) = 0
21r + -14w + (15r + 9w) = 0

Reorder the terms:
21r + 15r + -14w + 9w = 0

Combine like terms: 21r + 15r = 36r
36r + -14w + 9w = 0

Combine like terms: -14w + 9w = -5w
36r + -5w = 0

Solving
36r + -5w = 0

Solving for variable 'r'.

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

Add '5w' to each side of the equation.
36r + -5w + 5w = 0 + 5w

Combine like terms: -5w + 5w = 0
36r + 0 = 0 + 5w
36r = 0 + 5w
Remove the zero:
36r = 5w

Divide each side by '36'.
r = 0.1388888889w

Simplifying
r = 0.1388888889w

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