2r+r+2r-6=11+2-7

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Solution for 2r+r+2r-6=11+2-7 equation:


Simplifying
2r + r + 2r + -6 = 11 + 2 + -7

Reorder the terms:
-6 + 2r + r + 2r = 11 + 2 + -7

Combine like terms: 2r + r = 3r
-6 + 3r + 2r = 11 + 2 + -7

Combine like terms: 3r + 2r = 5r
-6 + 5r = 11 + 2 + -7

Combine like terms: 11 + 2 = 13
-6 + 5r = 13 + -7

Combine like terms: 13 + -7 = 6
-6 + 5r = 6

Solving
-6 + 5r = 6

Solving for variable 'r'.

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

Add '6' to each side of the equation.
-6 + 6 + 5r = 6 + 6

Combine like terms: -6 + 6 = 0
0 + 5r = 6 + 6
5r = 6 + 6

Combine like terms: 6 + 6 = 12
5r = 12

Divide each side by '5'.
r = 2.4

Simplifying
r = 2.4

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