9k-(7+k)=(3k+7)

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Solution for 9k-(7+k)=(3k+7) equation:


Simplifying
9k + -1(7 + k) = (3k + 7)
9k + (7 * -1 + k * -1) = (3k + 7)
9k + (-7 + -1k) = (3k + 7)

Reorder the terms:
-7 + 9k + -1k = (3k + 7)

Combine like terms: 9k + -1k = 8k
-7 + 8k = (3k + 7)

Reorder the terms:
-7 + 8k = (7 + 3k)

Remove parenthesis around (7 + 3k)
-7 + 8k = 7 + 3k

Solving
-7 + 8k = 7 + 3k

Solving for variable 'k'.

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

Add '-3k' to each side of the equation.
-7 + 8k + -3k = 7 + 3k + -3k

Combine like terms: 8k + -3k = 5k
-7 + 5k = 7 + 3k + -3k

Combine like terms: 3k + -3k = 0
-7 + 5k = 7 + 0
-7 + 5k = 7

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

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

Combine like terms: 7 + 7 = 14
5k = 14

Divide each side by '5'.
k = 2.8

Simplifying
k = 2.8

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