0.4r+1.3=

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Solution for 0.4r+1.3= equation: 


Simplifying
0.4r + 1.3 = 0

Reorder the terms:
1.3 + 0.4r = 0

Solving
1.3 + 0.4r = 0

Solving for variable 'r'.

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

Add '-1.3' to each side of the equation.
1.3 + -1.3 + 0.4r = 0 + -1.3

Combine like terms: 1.3 + -1.3 = 0.0
0.0 + 0.4r = 0 + -1.3
0.4r = 0 + -1.3

Combine like terms: 0 + -1.3 = -1.3
0.4r = -1.3

Divide each side by '0.4'.
r = -3.25

Simplifying
r = -3.25

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