5r-2+3r=30

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Solution for 5r-2+3r=30 equation: 


Simplifying
5r + -2 + 3r = 30

Reorder the terms:
-2 + 5r + 3r = 30

Combine like terms: 5r + 3r = 8r
-2 + 8r = 30

Solving
-2 + 8r = 30

Solving for variable 'r'.

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

Add '2' to each side of the equation.
-2 + 2 + 8r = 30 + 2

Combine like terms: -2 + 2 = 0
0 + 8r = 30 + 2
8r = 30 + 2

Combine like terms: 30 + 2 = 32
8r = 32

Divide each side by '8'.
r = 4

Simplifying
r = 4

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