-3=2(r-4)-6

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Solution for -3=2(r-4)-6 equation: 


Simplifying
-3 = 2(r + -4) + -6

Reorder the terms:
-3 = 2(-4 + r) + -6
-3 = (-4 * 2 + r * 2) + -6
-3 = (-8 + 2r) + -6

Reorder the terms:
-3 = -8 + -6 + 2r

Combine like terms: -8 + -6 = -14
-3 = -14 + 2r

Solving
-3 = -14 + 2r

Solving for variable 'r'.

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

Add '-2r' to each side of the equation.
-3 + -2r = -14 + 2r + -2r

Combine like terms: 2r + -2r = 0
-3 + -2r = -14 + 0
-3 + -2r = -14

Add '3' to each side of the equation.
-3 + 3 + -2r = -14 + 3

Combine like terms: -3 + 3 = 0
0 + -2r = -14 + 3
-2r = -14 + 3

Combine like terms: -14 + 3 = -11
-2r = -11

Divide each side by '-2'.
r = 5.5

Simplifying
r = 5.5

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