4(r+5)-2wr=-16

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Solution for 4(r+5)-2wr=-16 equation:


Simplifying
4(r + 5) + -2wr = -16

Reorder the terms:
4(5 + r) + -2wr = -16
(5 * 4 + r * 4) + -2wr = -16
(20 + 4r) + -2wr = -16

Solving
20 + 4r + -2rw = -16

Solving for variable 'r'.

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

Add '-20' to each side of the equation.
20 + 4r + -20 + -2rw = -16 + -20

Reorder the terms:
20 + -20 + 4r + -2rw = -16 + -20

Combine like terms: 20 + -20 = 0
0 + 4r + -2rw = -16 + -20
4r + -2rw = -16 + -20

Combine like terms: -16 + -20 = -36
4r + -2rw = -36

Reorder the terms:
36 + 4r + -2rw = -36 + 36

Combine like terms: -36 + 36 = 0
36 + 4r + -2rw = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(18 + 2r + -1rw) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(18 + 2r + -1rw)' equal to zero and attempt to solve: Simplifying 18 + 2r + -1rw = 0 Solving 18 + 2r + -1rw = 0 Move all terms containing r to the left, all other terms to the right. Add '-18' to each side of the equation. 18 + 2r + -18 + -1rw = 0 + -18 Reorder the terms: 18 + -18 + 2r + -1rw = 0 + -18 Combine like terms: 18 + -18 = 0 0 + 2r + -1rw = 0 + -18 2r + -1rw = 0 + -18 Combine like terms: 0 + -18 = -18 2r + -1rw = -18 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

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