2r+4=30r+8

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Solution for 2r+4=30r+8 equation:


Simplifying
2r + 4 = 30r + 8

Reorder the terms:
4 + 2r = 30r + 8

Reorder the terms:
4 + 2r = 8 + 30r

Solving
4 + 2r = 8 + 30r

Solving for variable 'r'.

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

Add '-30r' to each side of the equation.
4 + 2r + -30r = 8 + 30r + -30r

Combine like terms: 2r + -30r = -28r
4 + -28r = 8 + 30r + -30r

Combine like terms: 30r + -30r = 0
4 + -28r = 8 + 0
4 + -28r = 8

Add '-4' to each side of the equation.
4 + -4 + -28r = 8 + -4

Combine like terms: 4 + -4 = 0
0 + -28r = 8 + -4
-28r = 8 + -4

Combine like terms: 8 + -4 = 4
-28r = 4

Divide each side by '-28'.
r = -0.1428571429

Simplifying
r = -0.1428571429

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