5.5r+8=2.5r+20

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Solution for 5.5r+8=2.5r+20 equation:


Simplifying
5.5r + 8 = 2.5r + 20

Reorder the terms:
8 + 5.5r = 2.5r + 20

Reorder the terms:
8 + 5.5r = 20 + 2.5r

Solving
8 + 5.5r = 20 + 2.5r

Solving for variable 'r'.

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

Add '-2.5r' to each side of the equation.
8 + 5.5r + -2.5r = 20 + 2.5r + -2.5r

Combine like terms: 5.5r + -2.5r = 3r
8 + 3r = 20 + 2.5r + -2.5r

Combine like terms: 2.5r + -2.5r = 0.0
8 + 3r = 20 + 0.0
8 + 3r = 20

Add '-8' to each side of the equation.
8 + -8 + 3r = 20 + -8

Combine like terms: 8 + -8 = 0
0 + 3r = 20 + -8
3r = 20 + -8

Combine like terms: 20 + -8 = 12
3r = 12

Divide each side by '3'.
r = 4

Simplifying
r = 4

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