2r-4=2[6-7r]

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Solution for 2r-4=2[6-7r] equation:


Simplifying
2r + -4 = 2[6 + -7r]

Reorder the terms:
-4 + 2r = 2[6 + -7r]
-4 + 2r = [6 * 2 + -7r * 2]
-4 + 2r = [12 + -14r]

Solving
-4 + 2r = 12 + -14r

Solving for variable 'r'.

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

Add '14r' to each side of the equation.
-4 + 2r + 14r = 12 + -14r + 14r

Combine like terms: 2r + 14r = 16r
-4 + 16r = 12 + -14r + 14r

Combine like terms: -14r + 14r = 0
-4 + 16r = 12 + 0
-4 + 16r = 12

Add '4' to each side of the equation.
-4 + 4 + 16r = 12 + 4

Combine like terms: -4 + 4 = 0
0 + 16r = 12 + 4
16r = 12 + 4

Combine like terms: 12 + 4 = 16
16r = 16

Divide each side by '16'.
r = 1

Simplifying
r = 1

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