1.3r-4=1

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Solution for 1.3r-4=1 equation: 


Simplifying
1.3r + -4 = 1

Reorder the terms:
-4 + 1.3r = 1

Solving
-4 + 1.3r = 1

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 + 1.3r = 1 + 4

Combine like terms: -4 + 4 = 0
0 + 1.3r = 1 + 4
1.3r = 1 + 4

Combine like terms: 1 + 4 = 5
1.3r = 5

Divide each side by '1.3'.
r = 3.846153846

Simplifying
r = 3.846153846

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