16-9r=4-5r

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Solution for 16-9r=4-5r equation:


Simplifying
16 + -9r = 4 + -5r

Solving
16 + -9r = 4 + -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.
16 + -9r + 5r = 4 + -5r + 5r

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

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

Add '-16' to each side of the equation.
16 + -16 + -4r = 4 + -16

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

Combine like terms: 4 + -16 = -12
-4r = -12

Divide each side by '-4'.
r = 3

Simplifying
r = 3

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