2(4r-4)=-7(2r-6)+4r

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


Simplifying
2(4r + -4) = -7(2r + -6) + 4r

Reorder the terms:
2(-4 + 4r) = -7(2r + -6) + 4r
(-4 * 2 + 4r * 2) = -7(2r + -6) + 4r
(-8 + 8r) = -7(2r + -6) + 4r

Reorder the terms:
-8 + 8r = -7(-6 + 2r) + 4r
-8 + 8r = (-6 * -7 + 2r * -7) + 4r
-8 + 8r = (42 + -14r) + 4r

Combine like terms: -14r + 4r = -10r
-8 + 8r = 42 + -10r

Solving
-8 + 8r = 42 + -10r

Solving for variable 'r'.

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

Add '10r' to each side of the equation.
-8 + 8r + 10r = 42 + -10r + 10r

Combine like terms: 8r + 10r = 18r
-8 + 18r = 42 + -10r + 10r

Combine like terms: -10r + 10r = 0
-8 + 18r = 42 + 0
-8 + 18r = 42

Add '8' to each side of the equation.
-8 + 8 + 18r = 42 + 8

Combine like terms: -8 + 8 = 0
0 + 18r = 42 + 8
18r = 42 + 8

Combine like terms: 42 + 8 = 50
18r = 50

Divide each side by '18'.
r = 2.777777778

Simplifying
r = 2.777777778

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