3k+8=7(k-2)+4

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Solution for 3k+8=7(k-2)+4 equation:


Simplifying
3k + 8 = 7(k + -2) + 4

Reorder the terms:
8 + 3k = 7(k + -2) + 4

Reorder the terms:
8 + 3k = 7(-2 + k) + 4
8 + 3k = (-2 * 7 + k * 7) + 4
8 + 3k = (-14 + 7k) + 4

Reorder the terms:
8 + 3k = -14 + 4 + 7k

Combine like terms: -14 + 4 = -10
8 + 3k = -10 + 7k

Solving
8 + 3k = -10 + 7k

Solving for variable 'k'.

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

Add '-7k' to each side of the equation.
8 + 3k + -7k = -10 + 7k + -7k

Combine like terms: 3k + -7k = -4k
8 + -4k = -10 + 7k + -7k

Combine like terms: 7k + -7k = 0
8 + -4k = -10 + 0
8 + -4k = -10

Add '-8' to each side of the equation.
8 + -8 + -4k = -10 + -8

Combine like terms: 8 + -8 = 0
0 + -4k = -10 + -8
-4k = -10 + -8

Combine like terms: -10 + -8 = -18
-4k = -18

Divide each side by '-4'.
k = 4.5

Simplifying
k = 4.5

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