-10r-6(-5r-6)=2(-10-4r)

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Solution for -10r-6(-5r-6)=2(-10-4r) equation:


Simplifying
-10r + -6(-5r + -6) = 2(-10 + -4r)

Reorder the terms:
-10r + -6(-6 + -5r) = 2(-10 + -4r)
-10r + (-6 * -6 + -5r * -6) = 2(-10 + -4r)
-10r + (36 + 30r) = 2(-10 + -4r)

Reorder the terms:
36 + -10r + 30r = 2(-10 + -4r)

Combine like terms: -10r + 30r = 20r
36 + 20r = 2(-10 + -4r)
36 + 20r = (-10 * 2 + -4r * 2)
36 + 20r = (-20 + -8r)

Solving
36 + 20r = -20 + -8r

Solving for variable 'r'.

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

Add '8r' to each side of the equation.
36 + 20r + 8r = -20 + -8r + 8r

Combine like terms: 20r + 8r = 28r
36 + 28r = -20 + -8r + 8r

Combine like terms: -8r + 8r = 0
36 + 28r = -20 + 0
36 + 28r = -20

Add '-36' to each side of the equation.
36 + -36 + 28r = -20 + -36

Combine like terms: 36 + -36 = 0
0 + 28r = -20 + -36
28r = -20 + -36

Combine like terms: -20 + -36 = -56
28r = -56

Divide each side by '28'.
r = -2

Simplifying
r = -2

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