2(2-r)=14-8(2r+5)

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Solution for 2(2-r)=14-8(2r+5) equation:


Simplifying
2(2 + -1r) = 14 + -8(2r + 5)
(2 * 2 + -1r * 2) = 14 + -8(2r + 5)
(4 + -2r) = 14 + -8(2r + 5)

Reorder the terms:
4 + -2r = 14 + -8(5 + 2r)
4 + -2r = 14 + (5 * -8 + 2r * -8)
4 + -2r = 14 + (-40 + -16r)

Combine like terms: 14 + -40 = -26
4 + -2r = -26 + -16r

Solving
4 + -2r = -26 + -16r

Solving for variable 'r'.

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

Add '16r' to each side of the equation.
4 + -2r + 16r = -26 + -16r + 16r

Combine like terms: -2r + 16r = 14r
4 + 14r = -26 + -16r + 16r

Combine like terms: -16r + 16r = 0
4 + 14r = -26 + 0
4 + 14r = -26

Add '-4' to each side of the equation.
4 + -4 + 14r = -26 + -4

Combine like terms: 4 + -4 = 0
0 + 14r = -26 + -4
14r = -26 + -4

Combine like terms: -26 + -4 = -30
14r = -30

Divide each side by '14'.
r = -2.142857143

Simplifying
r = -2.142857143

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