9r-16=1+4r

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Solution for 9r-16=1+4r equation:


Simplifying
9r + -16 = 1 + 4r

Reorder the terms:
-16 + 9r = 1 + 4r

Solving
-16 + 9r = 1 + 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.
-16 + 9r + -4r = 1 + 4r + -4r

Combine like terms: 9r + -4r = 5r
-16 + 5r = 1 + 4r + -4r

Combine like terms: 4r + -4r = 0
-16 + 5r = 1 + 0
-16 + 5r = 1

Add '16' to each side of the equation.
-16 + 16 + 5r = 1 + 16

Combine like terms: -16 + 16 = 0
0 + 5r = 1 + 16
5r = 1 + 16

Combine like terms: 1 + 16 = 17
5r = 17

Divide each side by '5'.
r = 3.4

Simplifying
r = 3.4

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