8(r+8)=3(r+9)

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Solution for 8(r+8)=3(r+9) equation:


Simplifying
8(r + 8) = 3(r + 9)

Reorder the terms:
8(8 + r) = 3(r + 9)
(8 * 8 + r * 8) = 3(r + 9)
(64 + 8r) = 3(r + 9)

Reorder the terms:
64 + 8r = 3(9 + r)
64 + 8r = (9 * 3 + r * 3)
64 + 8r = (27 + 3r)

Solving
64 + 8r = 27 + 3r

Solving for variable 'r'.

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

Add '-3r' to each side of the equation.
64 + 8r + -3r = 27 + 3r + -3r

Combine like terms: 8r + -3r = 5r
64 + 5r = 27 + 3r + -3r

Combine like terms: 3r + -3r = 0
64 + 5r = 27 + 0
64 + 5r = 27

Add '-64' to each side of the equation.
64 + -64 + 5r = 27 + -64

Combine like terms: 64 + -64 = 0
0 + 5r = 27 + -64
5r = 27 + -64

Combine like terms: 27 + -64 = -37
5r = -37

Divide each side by '5'.
r = -7.4

Simplifying
r = -7.4

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