1.8r+9=-5.7-6

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Solution for 1.8r+9=-5.7-6 equation: 


Simplifying
1.8r + 9 = -5.7 + -6

Reorder the terms:
9 + 1.8r = -5.7 + -6

Combine like terms: -5.7 + -6 = -11.7
9 + 1.8r = -11.7

Solving
9 + 1.8r = -11.7

Solving for variable 'r'.

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

Add '-9' to each side of the equation.
9 + -9 + 1.8r = -11.7 + -9

Combine like terms: 9 + -9 = 0
0 + 1.8r = -11.7 + -9
1.8r = -11.7 + -9

Combine like terms: -11.7 + -9 = -20.7
1.8r = -20.7

Divide each side by '1.8'.
r = -11.5

Simplifying
r = -11.5

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