5(2r-2)=9(r+4)

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Solution for 5(2r-2)=9(r+4) equation:


Simplifying
5(2r + -2) = 9(r + 4)

Reorder the terms:
5(-2 + 2r) = 9(r + 4)
(-2 * 5 + 2r * 5) = 9(r + 4)
(-10 + 10r) = 9(r + 4)

Reorder the terms:
-10 + 10r = 9(4 + r)
-10 + 10r = (4 * 9 + r * 9)
-10 + 10r = (36 + 9r)

Solving
-10 + 10r = 36 + 9r

Solving for variable 'r'.

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

Add '-9r' to each side of the equation.
-10 + 10r + -9r = 36 + 9r + -9r

Combine like terms: 10r + -9r = 1r
-10 + 1r = 36 + 9r + -9r

Combine like terms: 9r + -9r = 0
-10 + 1r = 36 + 0
-10 + 1r = 36

Add '10' to each side of the equation.
-10 + 10 + 1r = 36 + 10

Combine like terms: -10 + 10 = 0
0 + 1r = 36 + 10
1r = 36 + 10

Combine like terms: 36 + 10 = 46
1r = 46

Divide each side by '1'.
r = 46

Simplifying
r = 46

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