5(2r+3)-2(3r+4)=

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Solution for 5(2r+3)-2(3r+4)= equation:


Simplifying
5(2r + 3) + -2(3r + 4) = 0

Reorder the terms:
5(3 + 2r) + -2(3r + 4) = 0
(3 * 5 + 2r * 5) + -2(3r + 4) = 0
(15 + 10r) + -2(3r + 4) = 0

Reorder the terms:
15 + 10r + -2(4 + 3r) = 0
15 + 10r + (4 * -2 + 3r * -2) = 0
15 + 10r + (-8 + -6r) = 0

Reorder the terms:
15 + -8 + 10r + -6r = 0

Combine like terms: 15 + -8 = 7
7 + 10r + -6r = 0

Combine like terms: 10r + -6r = 4r
7 + 4r = 0

Solving
7 + 4r = 0

Solving for variable 'r'.

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

Add '-7' to each side of the equation.
7 + -7 + 4r = 0 + -7

Combine like terms: 7 + -7 = 0
0 + 4r = 0 + -7
4r = 0 + -7

Combine like terms: 0 + -7 = -7
4r = -7

Divide each side by '4'.
r = -1.75

Simplifying
r = -1.75

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