1r+8=4r+2

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Solution for 1r+8=4r+2 equation:


Simplifying
1r + 8 = 4r + 2

Reorder the terms:
8 + 1r = 4r + 2

Reorder the terms:
8 + 1r = 2 + 4r

Solving
8 + 1r = 2 + 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.
8 + 1r + -4r = 2 + 4r + -4r

Combine like terms: 1r + -4r = -3r
8 + -3r = 2 + 4r + -4r

Combine like terms: 4r + -4r = 0
8 + -3r = 2 + 0
8 + -3r = 2

Add '-8' to each side of the equation.
8 + -8 + -3r = 2 + -8

Combine like terms: 8 + -8 = 0
0 + -3r = 2 + -8
-3r = 2 + -8

Combine like terms: 2 + -8 = -6
-3r = -6

Divide each side by '-3'.
r = 2

Simplifying
r = 2

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