-2r+10r+-4r+4=-16

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Solution for -2r+10r+-4r+4=-16 equation:


Simplifying
-2r + 10r + -4r + 4 = -16

Reorder the terms:
4 + -2r + 10r + -4r = -16

Combine like terms: -2r + 10r = 8r
4 + 8r + -4r = -16

Combine like terms: 8r + -4r = 4r
4 + 4r = -16

Solving
4 + 4r = -16

Solving for variable 'r'.

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

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

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

Combine like terms: -16 + -4 = -20
4r = -20

Divide each side by '4'.
r = -5

Simplifying
r = -5

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