-3-(-21)=6k+2

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Solution for -3-(-21)=6k+2 equation:


Simplifying
-3 + -1(-21) = 6k + 2

Multiply -1 * -21
-3 + 21 = 6k + 2

Combine like terms: -3 + 21 = 18
18 = 6k + 2

Reorder the terms:
18 = 2 + 6k

Solving
18 = 2 + 6k

Solving for variable 'k'.

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

Add '-6k' to each side of the equation.
18 + -6k = 2 + 6k + -6k

Combine like terms: 6k + -6k = 0
18 + -6k = 2 + 0
18 + -6k = 2

Add '-18' to each side of the equation.
18 + -18 + -6k = 2 + -18

Combine like terms: 18 + -18 = 0
0 + -6k = 2 + -18
-6k = 2 + -18

Combine like terms: 2 + -18 = -16
-6k = -16

Divide each side by '-6'.
k = 2.666666667

Simplifying
k = 2.666666667

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