5r+3(2r-6)=8+7(r+2)

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Solution for 5r+3(2r-6)=8+7(r+2) equation:


Simplifying
5r + 3(2r + -6) = 8 + 7(r + 2)

Reorder the terms:
5r + 3(-6 + 2r) = 8 + 7(r + 2)
5r + (-6 * 3 + 2r * 3) = 8 + 7(r + 2)
5r + (-18 + 6r) = 8 + 7(r + 2)

Reorder the terms:
-18 + 5r + 6r = 8 + 7(r + 2)

Combine like terms: 5r + 6r = 11r
-18 + 11r = 8 + 7(r + 2)

Reorder the terms:
-18 + 11r = 8 + 7(2 + r)
-18 + 11r = 8 + (2 * 7 + r * 7)
-18 + 11r = 8 + (14 + 7r)

Combine like terms: 8 + 14 = 22
-18 + 11r = 22 + 7r

Solving
-18 + 11r = 22 + 7r

Solving for variable 'r'.

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

Add '-7r' to each side of the equation.
-18 + 11r + -7r = 22 + 7r + -7r

Combine like terms: 11r + -7r = 4r
-18 + 4r = 22 + 7r + -7r

Combine like terms: 7r + -7r = 0
-18 + 4r = 22 + 0
-18 + 4r = 22

Add '18' to each side of the equation.
-18 + 18 + 4r = 22 + 18

Combine like terms: -18 + 18 = 0
0 + 4r = 22 + 18
4r = 22 + 18

Combine like terms: 22 + 18 = 40
4r = 40

Divide each side by '4'.
r = 10

Simplifying
r = 10

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