6(r-2)+4=20

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Solution for 6(r-2)+4=20 equation:


Simplifying
6(r + -2) + 4 = 20

Reorder the terms:
6(-2 + r) + 4 = 20
(-2 * 6 + r * 6) + 4 = 20
(-12 + 6r) + 4 = 20

Reorder the terms:
-12 + 4 + 6r = 20

Combine like terms: -12 + 4 = -8
-8 + 6r = 20

Solving
-8 + 6r = 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 + 6r = 20 + 8

Combine like terms: -8 + 8 = 0
0 + 6r = 20 + 8
6r = 20 + 8

Combine like terms: 20 + 8 = 28
6r = 28

Divide each side by '6'.
r = 4.666666667

Simplifying
r = 4.666666667

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