6.8r+2(r-3.1)=0.3r+32.9

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Solution for 6.8r+2(r-3.1)=0.3r+32.9 equation:


Simplifying
6.8r + 2(r + -3.1) = 0.3r + 32.9

Reorder the terms:
6.8r + 2(-3.1 + r) = 0.3r + 32.9
6.8r + (-3.1 * 2 + r * 2) = 0.3r + 32.9
6.8r + (-6.2 + 2r) = 0.3r + 32.9

Reorder the terms:
-6.2 + 6.8r + 2r = 0.3r + 32.9

Combine like terms: 6.8r + 2r = 8.8r
-6.2 + 8.8r = 0.3r + 32.9

Reorder the terms:
-6.2 + 8.8r = 32.9 + 0.3r

Solving
-6.2 + 8.8r = 32.9 + 0.3r

Solving for variable 'r'.

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

Add '-0.3r' to each side of the equation.
-6.2 + 8.8r + -0.3r = 32.9 + 0.3r + -0.3r

Combine like terms: 8.8r + -0.3r = 8.5r
-6.2 + 8.5r = 32.9 + 0.3r + -0.3r

Combine like terms: 0.3r + -0.3r = 0.0
-6.2 + 8.5r = 32.9 + 0.0
-6.2 + 8.5r = 32.9

Add '6.2' to each side of the equation.
-6.2 + 6.2 + 8.5r = 32.9 + 6.2

Combine like terms: -6.2 + 6.2 = 0.0
0.0 + 8.5r = 32.9 + 6.2
8.5r = 32.9 + 6.2

Combine like terms: 32.9 + 6.2 = 39.1
8.5r = 39.1

Divide each side by '8.5'.
r = 4.6

Simplifying
r = 4.6

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