8+r-4=-2r-2

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Solution for 8+r-4=-2r-2 equation:


Simplifying
8 + r + -4 = -2r + -2

Reorder the terms:
8 + -4 + r = -2r + -2

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

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

Solving
4 + r = -2 + -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 + r + 2r = -2 + -2r + 2r

Combine like terms: r + 2r = 3r
4 + 3r = -2 + -2r + 2r

Combine like terms: -2r + 2r = 0
4 + 3r = -2 + 0
4 + 3r = -2

Add '-4' to each side of the equation.
4 + -4 + 3r = -2 + -4

Combine like terms: 4 + -4 = 0
0 + 3r = -2 + -4
3r = -2 + -4

Combine like terms: -2 + -4 = -6
3r = -6

Divide each side by '3'.
r = -2

Simplifying
r = -2

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