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

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Solution for 5(1+k)-(7k-7)= equation:


Simplifying
5(1 + k) + -1(7k + -7) = 0
(1 * 5 + k * 5) + -1(7k + -7) = 0
(5 + 5k) + -1(7k + -7) = 0

Reorder the terms:
5 + 5k + -1(-7 + 7k) = 0
5 + 5k + (-7 * -1 + 7k * -1) = 0
5 + 5k + (7 + -7k) = 0

Reorder the terms:
5 + 7 + 5k + -7k = 0

Combine like terms: 5 + 7 = 12
12 + 5k + -7k = 0

Combine like terms: 5k + -7k = -2k
12 + -2k = 0

Solving
12 + -2k = 0

Solving for variable 'k'.

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

Add '-12' to each side of the equation.
12 + -12 + -2k = 0 + -12

Combine like terms: 12 + -12 = 0
0 + -2k = 0 + -12
-2k = 0 + -12

Combine like terms: 0 + -12 = -12
-2k = -12

Divide each side by '-2'.
k = 6

Simplifying
k = 6

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