-1.9r+9.3=15

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Solution for -1.9r+9.3=15 equation: 


Simplifying
-1.9r + 9.3 = 15

Reorder the terms:
9.3 + -1.9r = 15

Solving
9.3 + -1.9r = 15

Solving for variable 'r'.

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

Add '-9.3' to each side of the equation.
9.3 + -9.3 + -1.9r = 15 + -9.3

Combine like terms: 9.3 + -9.3 = 0.0
0.0 + -1.9r = 15 + -9.3
-1.9r = 15 + -9.3

Combine like terms: 15 + -9.3 = 5.7
-1.9r = 5.7

Divide each side by '-1.9'.
r = -3

Simplifying
r = -3

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