6(r-9)=4(2r-15)

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Solution for 6(r-9)=4(2r-15) equation:


Simplifying
6(r + -9) = 4(2r + -15)

Reorder the terms:
6(-9 + r) = 4(2r + -15)
(-9 * 6 + r * 6) = 4(2r + -15)
(-54 + 6r) = 4(2r + -15)

Reorder the terms:
-54 + 6r = 4(-15 + 2r)
-54 + 6r = (-15 * 4 + 2r * 4)
-54 + 6r = (-60 + 8r)

Solving
-54 + 6r = -60 + 8r

Solving for variable 'r'.

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

Add '-8r' to each side of the equation.
-54 + 6r + -8r = -60 + 8r + -8r

Combine like terms: 6r + -8r = -2r
-54 + -2r = -60 + 8r + -8r

Combine like terms: 8r + -8r = 0
-54 + -2r = -60 + 0
-54 + -2r = -60

Add '54' to each side of the equation.
-54 + 54 + -2r = -60 + 54

Combine like terms: -54 + 54 = 0
0 + -2r = -60 + 54
-2r = -60 + 54

Combine like terms: -60 + 54 = -6
-2r = -6

Divide each side by '-2'.
r = 3

Simplifying
r = 3

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