1r-4+6r=8+-4

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Solution for 1r-4+6r=8+-4 equation: 


Simplifying
1r + -4 + 6r = 8 + -4

Reorder the terms:
-4 + 1r + 6r = 8 + -4

Combine like terms: 1r + 6r = 7r
-4 + 7r = 8 + -4

Combine like terms: 8 + -4 = 4
-4 + 7r = 4

Solving
-4 + 7r = 4

Solving for variable 'r'.

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

Add '4' to each side of the equation.
-4 + 4 + 7r = 4 + 4

Combine like terms: -4 + 4 = 0
0 + 7r = 4 + 4
7r = 4 + 4

Combine like terms: 4 + 4 = 8
7r = 8

Divide each side by '7'.
r = 1.142857143

Simplifying
r = 1.142857143

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