1.6r+5=-7.8

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Solution for 1.6r+5=-7.8 equation: 


Simplifying
1.6r + 5 = -7.8

Reorder the terms:
5 + 1.6r = -7.8

Solving
5 + 1.6r = -7.8

Solving for variable 'r'.

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

Add '-5' to each side of the equation.
5 + -5 + 1.6r = -7.8 + -5

Combine like terms: 5 + -5 = 0
0 + 1.6r = -7.8 + -5
1.6r = -7.8 + -5

Combine like terms: -7.8 + -5 = -12.8
1.6r = -12.8

Divide each side by '1.6'.
r = -8

Simplifying
r = -8

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