-(4-r)=2r+5(r+4)

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Solution for -(4-r)=2r+5(r+4) equation:


Simplifying
-1(4 + -1r) = 2r + 5(r + 4)
(4 * -1 + -1r * -1) = 2r + 5(r + 4)
(-4 + 1r) = 2r + 5(r + 4)

Reorder the terms:
-4 + 1r = 2r + 5(4 + r)
-4 + 1r = 2r + (4 * 5 + r * 5)
-4 + 1r = 2r + (20 + 5r)

Reorder the terms:
-4 + 1r = 20 + 2r + 5r

Combine like terms: 2r + 5r = 7r
-4 + 1r = 20 + 7r

Solving
-4 + 1r = 20 + 7r

Solving for variable 'r'.

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

Add '-7r' to each side of the equation.
-4 + 1r + -7r = 20 + 7r + -7r

Combine like terms: 1r + -7r = -6r
-4 + -6r = 20 + 7r + -7r

Combine like terms: 7r + -7r = 0
-4 + -6r = 20 + 0
-4 + -6r = 20

Add '4' to each side of the equation.
-4 + 4 + -6r = 20 + 4

Combine like terms: -4 + 4 = 0
0 + -6r = 20 + 4
-6r = 20 + 4

Combine like terms: 20 + 4 = 24
-6r = 24

Divide each side by '-6'.
r = -4

Simplifying
r = -4

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