-8-4(1+5r)=3(-7r-6)

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Solution for -8-4(1+5r)=3(-7r-6) equation:


Simplifying
-8 + -4(1 + 5r) = 3(-7r + -6)
-8 + (1 * -4 + 5r * -4) = 3(-7r + -6)
-8 + (-4 + -20r) = 3(-7r + -6)

Combine like terms: -8 + -4 = -12
-12 + -20r = 3(-7r + -6)

Reorder the terms:
-12 + -20r = 3(-6 + -7r)
-12 + -20r = (-6 * 3 + -7r * 3)
-12 + -20r = (-18 + -21r)

Solving
-12 + -20r = -18 + -21r

Solving for variable 'r'.

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

Add '21r' to each side of the equation.
-12 + -20r + 21r = -18 + -21r + 21r

Combine like terms: -20r + 21r = 1r
-12 + 1r = -18 + -21r + 21r

Combine like terms: -21r + 21r = 0
-12 + 1r = -18 + 0
-12 + 1r = -18

Add '12' to each side of the equation.
-12 + 12 + 1r = -18 + 12

Combine like terms: -12 + 12 = 0
0 + 1r = -18 + 12
1r = -18 + 12

Combine like terms: -18 + 12 = -6
1r = -6

Divide each side by '1'.
r = -6

Simplifying
r = -6

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