4(r+2)-2r=8+r-3

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Solution for 4(r+2)-2r=8+r-3 equation:


Simplifying
4(r + 2) + -2r = 8 + r + -3

Reorder the terms:
4(2 + r) + -2r = 8 + r + -3
(2 * 4 + r * 4) + -2r = 8 + r + -3
(8 + 4r) + -2r = 8 + r + -3

Combine like terms: 4r + -2r = 2r
8 + 2r = 8 + r + -3

Reorder the terms:
8 + 2r = 8 + -3 + r

Combine like terms: 8 + -3 = 5
8 + 2r = 5 + r

Solving
8 + 2r = 5 + r

Solving for variable 'r'.

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

Add '-1r' to each side of the equation.
8 + 2r + -1r = 5 + r + -1r

Combine like terms: 2r + -1r = 1r
8 + 1r = 5 + r + -1r

Combine like terms: r + -1r = 0
8 + 1r = 5 + 0
8 + 1r = 5

Add '-8' to each side of the equation.
8 + -8 + 1r = 5 + -8

Combine like terms: 8 + -8 = 0
0 + 1r = 5 + -8
1r = 5 + -8

Combine like terms: 5 + -8 = -3
1r = -3

Divide each side by '1'.
r = -3

Simplifying
r = -3

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