6r-4.2-2.8r-2.7r-3=

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Solution for 6r-4.2-2.8r-2.7r-3= equation:


Simplifying
6r + -4.2 + -2.8r + -2.7r + -3 = 0

Reorder the terms:
-4.2 + -3 + 6r + -2.8r + -2.7r = 0

Combine like terms: -4.2 + -3 = -7.2
-7.2 + 6r + -2.8r + -2.7r = 0

Combine like terms: 6r + -2.8r = 3.2r
-7.2 + 3.2r + -2.7r = 0

Combine like terms: 3.2r + -2.7r = 0.5r
-7.2 + 0.5r = 0

Solving
-7.2 + 0.5r = 0

Solving for variable 'r'.

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

Add '7.2' to each side of the equation.
-7.2 + 7.2 + 0.5r = 0 + 7.2

Combine like terms: -7.2 + 7.2 = 0.0
0.0 + 0.5r = 0 + 7.2
0.5r = 0 + 7.2

Combine like terms: 0 + 7.2 = 7.2
0.5r = 7.2

Divide each side by '0.5'.
r = 14.4

Simplifying
r = 14.4

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