8(5r-9)=33-4r

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Solution for 8(5r-9)=33-4r equation:


Simplifying
8(5r + -9) = 33 + -4r

Reorder the terms:
8(-9 + 5r) = 33 + -4r
(-9 * 8 + 5r * 8) = 33 + -4r
(-72 + 40r) = 33 + -4r

Solving
-72 + 40r = 33 + -4r

Solving for variable 'r'.

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

Add '4r' to each side of the equation.
-72 + 40r + 4r = 33 + -4r + 4r

Combine like terms: 40r + 4r = 44r
-72 + 44r = 33 + -4r + 4r

Combine like terms: -4r + 4r = 0
-72 + 44r = 33 + 0
-72 + 44r = 33

Add '72' to each side of the equation.
-72 + 72 + 44r = 33 + 72

Combine like terms: -72 + 72 = 0
0 + 44r = 33 + 72
44r = 33 + 72

Combine like terms: 33 + 72 = 105
44r = 105

Divide each side by '44'.
r = 2.386363636

Simplifying
r = 2.386363636

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