8r-2(r+5)=5(2r-6)-8

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Solution for 8r-2(r+5)=5(2r-6)-8 equation:


Simplifying
8r + -2(r + 5) = 5(2r + -6) + -8

Reorder the terms:
8r + -2(5 + r) = 5(2r + -6) + -8
8r + (5 * -2 + r * -2) = 5(2r + -6) + -8
8r + (-10 + -2r) = 5(2r + -6) + -8

Reorder the terms:
-10 + 8r + -2r = 5(2r + -6) + -8

Combine like terms: 8r + -2r = 6r
-10 + 6r = 5(2r + -6) + -8

Reorder the terms:
-10 + 6r = 5(-6 + 2r) + -8
-10 + 6r = (-6 * 5 + 2r * 5) + -8
-10 + 6r = (-30 + 10r) + -8

Reorder the terms:
-10 + 6r = -30 + -8 + 10r

Combine like terms: -30 + -8 = -38
-10 + 6r = -38 + 10r

Solving
-10 + 6r = -38 + 10r

Solving for variable 'r'.

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

Add '-10r' to each side of the equation.
-10 + 6r + -10r = -38 + 10r + -10r

Combine like terms: 6r + -10r = -4r
-10 + -4r = -38 + 10r + -10r

Combine like terms: 10r + -10r = 0
-10 + -4r = -38 + 0
-10 + -4r = -38

Add '10' to each side of the equation.
-10 + 10 + -4r = -38 + 10

Combine like terms: -10 + 10 = 0
0 + -4r = -38 + 10
-4r = -38 + 10

Combine like terms: -38 + 10 = -28
-4r = -28

Divide each side by '-4'.
r = 7

Simplifying
r = 7

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