4(r-1)=2(r+4)

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Solution for 4(r-1)=2(r+4) equation:


Simplifying
4(r + -1) = 2(r + 4)

Reorder the terms:
4(-1 + r) = 2(r + 4)
(-1 * 4 + r * 4) = 2(r + 4)
(-4 + 4r) = 2(r + 4)

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

Solving
-4 + 4r = 8 + 2r

Solving for variable 'r'.

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

Add '-2r' to each side of the equation.
-4 + 4r + -2r = 8 + 2r + -2r

Combine like terms: 4r + -2r = 2r
-4 + 2r = 8 + 2r + -2r

Combine like terms: 2r + -2r = 0
-4 + 2r = 8 + 0
-4 + 2r = 8

Add '4' to each side of the equation.
-4 + 4 + 2r = 8 + 4

Combine like terms: -4 + 4 = 0
0 + 2r = 8 + 4
2r = 8 + 4

Combine like terms: 8 + 4 = 12
2r = 12

Divide each side by '2'.
r = 6

Simplifying
r = 6

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