k-(7)-(9k)=5

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Solution for k-(7)-(9k)=5 equation:


Simplifying
k + -1(7) + -1(9k) = 5

Multiply -1 * 7
k + -7 + -1(9k) = 5

Remove parenthesis around (9k)
k + -7 + -1 * 9k = 5

Multiply -1 * 9
k + -7 + -9k = 5

Reorder the terms:
-7 + k + -9k = 5

Combine like terms: k + -9k = -8k
-7 + -8k = 5

Solving
-7 + -8k = 5

Solving for variable 'k'.

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

Add '7' to each side of the equation.
-7 + 7 + -8k = 5 + 7

Combine like terms: -7 + 7 = 0
0 + -8k = 5 + 7
-8k = 5 + 7

Combine like terms: 5 + 7 = 12
-8k = 12

Divide each side by '-8'.
k = -1.5

Simplifying
k = -1.5

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