2(1-2r)-10=10r+8(-2r-2)

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Solution for 2(1-2r)-10=10r+8(-2r-2) equation:


Simplifying
2(1 + -2r) + -10 = 10r + 8(-2r + -2)
(1 * 2 + -2r * 2) + -10 = 10r + 8(-2r + -2)
(2 + -4r) + -10 = 10r + 8(-2r + -2)

Reorder the terms:
2 + -10 + -4r = 10r + 8(-2r + -2)

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

Reorder the terms:
-8 + -4r = 10r + 8(-2 + -2r)
-8 + -4r = 10r + (-2 * 8 + -2r * 8)
-8 + -4r = 10r + (-16 + -16r)

Reorder the terms:
-8 + -4r = -16 + 10r + -16r

Combine like terms: 10r + -16r = -6r
-8 + -4r = -16 + -6r

Solving
-8 + -4r = -16 + -6r

Solving for variable 'r'.

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

Add '6r' to each side of the equation.
-8 + -4r + 6r = -16 + -6r + 6r

Combine like terms: -4r + 6r = 2r
-8 + 2r = -16 + -6r + 6r

Combine like terms: -6r + 6r = 0
-8 + 2r = -16 + 0
-8 + 2r = -16

Add '8' to each side of the equation.
-8 + 8 + 2r = -16 + 8

Combine like terms: -8 + 8 = 0
0 + 2r = -16 + 8
2r = -16 + 8

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

Divide each side by '2'.
r = -4

Simplifying
r = -4

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