6(1-6r)+5(-7-r)=-8r-4r

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Solution for 6(1-6r)+5(-7-r)=-8r-4r equation:


Simplifying
6(1 + -6r) + 5(-7 + -1r) = -8r + -4r
(1 * 6 + -6r * 6) + 5(-7 + -1r) = -8r + -4r
(6 + -36r) + 5(-7 + -1r) = -8r + -4r
6 + -36r + (-7 * 5 + -1r * 5) = -8r + -4r
6 + -36r + (-35 + -5r) = -8r + -4r

Reorder the terms:
6 + -35 + -36r + -5r = -8r + -4r

Combine like terms: 6 + -35 = -29
-29 + -36r + -5r = -8r + -4r

Combine like terms: -36r + -5r = -41r
-29 + -41r = -8r + -4r

Combine like terms: -8r + -4r = -12r
-29 + -41r = -12r

Solving
-29 + -41r = -12r

Solving for variable 'r'.

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

Add '12r' to each side of the equation.
-29 + -41r + 12r = -12r + 12r

Combine like terms: -41r + 12r = -29r
-29 + -29r = -12r + 12r

Combine like terms: -12r + 12r = 0
-29 + -29r = 0

Add '29' to each side of the equation.
-29 + 29 + -29r = 0 + 29

Combine like terms: -29 + 29 = 0
0 + -29r = 0 + 29
-29r = 0 + 29

Combine like terms: 0 + 29 = 29
-29r = 29

Divide each side by '-29'.
r = -1

Simplifying
r = -1

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