-3k-3(k-3)=3(7-2k)

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Solution for -3k-3(k-3)=3(7-2k) equation: 


Simplifying
-3k + -3(k + -3) = 3(7 + -2k)

Reorder the terms:
-3k + -3(-3 + k) = 3(7 + -2k)
-3k + (-3 * -3 + k * -3) = 3(7 + -2k)
-3k + (9 + -3k) = 3(7 + -2k)

Reorder the terms:
9 + -3k + -3k = 3(7 + -2k)

Combine like terms: -3k + -3k = -6k
9 + -6k = 3(7 + -2k)
9 + -6k = (7 * 3 + -2k * 3)
9 + -6k = (21 + -6k)

Add '6k' to each side of the equation.
9 + -6k + 6k = 21 + -6k + 6k

Combine like terms: -6k + 6k = 0
9 + 0 = 21 + -6k + 6k
9 = 21 + -6k + 6k

Combine like terms: -6k + 6k = 0
9 = 21 + 0
9 = 21

Solving
9 = 21

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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