8(4r-9)=r+27

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Solution for 8(4r-9)=r+27 equation:


Simplifying
8(4r + -9) = r + 27

Reorder the terms:
8(-9 + 4r) = r + 27
(-9 * 8 + 4r * 8) = r + 27
(-72 + 32r) = r + 27

Reorder the terms:
-72 + 32r = 27 + r

Solving
-72 + 32r = 27 + r

Solving for variable 'r'.

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

Add '-1r' to each side of the equation.
-72 + 32r + -1r = 27 + r + -1r

Combine like terms: 32r + -1r = 31r
-72 + 31r = 27 + r + -1r

Combine like terms: r + -1r = 0
-72 + 31r = 27 + 0
-72 + 31r = 27

Add '72' to each side of the equation.
-72 + 72 + 31r = 27 + 72

Combine like terms: -72 + 72 = 0
0 + 31r = 27 + 72
31r = 27 + 72

Combine like terms: 27 + 72 = 99
31r = 99

Divide each side by '31'.
r = 3.193548387

Simplifying
r = 3.193548387

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