2k(8-7)-4k=k+9

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Solution for 2k(8-7)-4k=k+9 equation:


Simplifying
2k(8 + -7) + -4k = k + 9

Combine like terms: 8 + -7 = 1
2k(1) + -4k = k + 9

Reorder the terms for easier multiplication:
2 * 1k + -4k = k + 9

Multiply 2 * 1
2k + -4k = k + 9

Combine like terms: 2k + -4k = -2k
-2k = k + 9

Reorder the terms:
-2k = 9 + k

Solving
-2k = 9 + k

Solving for variable 'k'.

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

Add '-1k' to each side of the equation.
-2k + -1k = 9 + k + -1k

Combine like terms: -2k + -1k = -3k
-3k = 9 + k + -1k

Combine like terms: k + -1k = 0
-3k = 9 + 0
-3k = 9

Divide each side by '-3'.
k = -3

Simplifying
k = -3

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