9(3r-4)=5(1r)

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Solution for 9(3r-4)=5(1r) equation:


Simplifying
9(3r + -4) = 5(1r)

Reorder the terms:
9(-4 + 3r) = 5(1r)
(-4 * 9 + 3r * 9) = 5(1r)
(-36 + 27r) = 5(1r)

Remove parenthesis around (1r)
-36 + 27r = 5 * 1r

Multiply 5 * 1
-36 + 27r = 5r

Solving
-36 + 27r = 5r

Solving for variable 'r'.

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

Add '-5r' to each side of the equation.
-36 + 27r + -5r = 5r + -5r

Combine like terms: 27r + -5r = 22r
-36 + 22r = 5r + -5r

Combine like terms: 5r + -5r = 0
-36 + 22r = 0

Add '36' to each side of the equation.
-36 + 36 + 22r = 0 + 36

Combine like terms: -36 + 36 = 0
0 + 22r = 0 + 36
22r = 0 + 36

Combine like terms: 0 + 36 = 36
22r = 36

Divide each side by '22'.
r = 1.636363636

Simplifying
r = 1.636363636

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