6r+2-3r+r-10=20

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Solution for 6r+2-3r+r-10=20 equation:


Simplifying
6r + 2 + -3r + r + -10 = 20

Reorder the terms:
2 + -10 + 6r + -3r + r = 20

Combine like terms: 2 + -10 = -8
-8 + 6r + -3r + r = 20

Combine like terms: 6r + -3r = 3r
-8 + 3r + r = 20

Combine like terms: 3r + r = 4r
-8 + 4r = 20

Solving
-8 + 4r = 20

Solving for variable 'r'.

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

Add '8' to each side of the equation.
-8 + 8 + 4r = 20 + 8

Combine like terms: -8 + 8 = 0
0 + 4r = 20 + 8
4r = 20 + 8

Combine like terms: 20 + 8 = 28
4r = 28

Divide each side by '4'.
r = 7

Simplifying
r = 7

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