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

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


Simplifying
-3(2r + -3) + 2(5r + 3) = 0

Reorder the terms:
-3(-3 + 2r) + 2(5r + 3) = 0
(-3 * -3 + 2r * -3) + 2(5r + 3) = 0
(9 + -6r) + 2(5r + 3) = 0

Reorder the terms:
9 + -6r + 2(3 + 5r) = 0
9 + -6r + (3 * 2 + 5r * 2) = 0
9 + -6r + (6 + 10r) = 0

Reorder the terms:
9 + 6 + -6r + 10r = 0

Combine like terms: 9 + 6 = 15
15 + -6r + 10r = 0

Combine like terms: -6r + 10r = 4r
15 + 4r = 0

Solving
15 + 4r = 0

Solving for variable 'r'.

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

Add '-15' to each side of the equation.
15 + -15 + 4r = 0 + -15

Combine like terms: 15 + -15 = 0
0 + 4r = 0 + -15
4r = 0 + -15

Combine like terms: 0 + -15 = -15
4r = -15

Divide each side by '4'.
r = -3.75

Simplifying
r = -3.75

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