7r-2+5r=6r+6-4r

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Solution for 7r-2+5r=6r+6-4r equation:


Simplifying
7r + -2 + 5r = 6r + 6 + -4r

Reorder the terms:
-2 + 7r + 5r = 6r + 6 + -4r

Combine like terms: 7r + 5r = 12r
-2 + 12r = 6r + 6 + -4r

Reorder the terms:
-2 + 12r = 6 + 6r + -4r

Combine like terms: 6r + -4r = 2r
-2 + 12r = 6 + 2r

Solving
-2 + 12r = 6 + 2r

Solving for variable 'r'.

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

Add '-2r' to each side of the equation.
-2 + 12r + -2r = 6 + 2r + -2r

Combine like terms: 12r + -2r = 10r
-2 + 10r = 6 + 2r + -2r

Combine like terms: 2r + -2r = 0
-2 + 10r = 6 + 0
-2 + 10r = 6

Add '2' to each side of the equation.
-2 + 2 + 10r = 6 + 2

Combine like terms: -2 + 2 = 0
0 + 10r = 6 + 2
10r = 6 + 2

Combine like terms: 6 + 2 = 8
10r = 8

Divide each side by '10'.
r = 0.8

Simplifying
r = 0.8

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