2r-8r=-7(-6-6r)+6(-13r-7)

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Solution for 2r-8r=-7(-6-6r)+6(-13r-7) equation:


Simplifying
2r + -8r = -7(-6 + -6r) + 6(-13r + -7)

Combine like terms: 2r + -8r = -6r
-6r = -7(-6 + -6r) + 6(-13r + -7)
-6r = (-6 * -7 + -6r * -7) + 6(-13r + -7)
-6r = (42 + 42r) + 6(-13r + -7)

Reorder the terms:
-6r = 42 + 42r + 6(-7 + -13r)
-6r = 42 + 42r + (-7 * 6 + -13r * 6)
-6r = 42 + 42r + (-42 + -78r)

Reorder the terms:
-6r = 42 + -42 + 42r + -78r

Combine like terms: 42 + -42 = 0
-6r = 0 + 42r + -78r
-6r = 42r + -78r

Combine like terms: 42r + -78r = -36r
-6r = -36r

Solving
-6r = -36r

Solving for variable 'r'.

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

Add '36r' to each side of the equation.
-6r + 36r = -36r + 36r

Combine like terms: -6r + 36r = 30r
30r = -36r + 36r

Combine like terms: -36r + 36r = 0
30r = 0

Divide each side by '30'.
r = 0.0

Simplifying
r = 0.0

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