k-7=4k+8

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Solution for k-7=4k+8 equation:


Simplifying
k + -7 = 4k + 8

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

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

Solving
-7 + k = 8 + 4k

Solving for variable 'k'.

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

Add '-4k' to each side of the equation.
-7 + k + -4k = 8 + 4k + -4k

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

Combine like terms: 4k + -4k = 0
-7 + -3k = 8 + 0
-7 + -3k = 8

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

Combine like terms: -7 + 7 = 0
0 + -3k = 8 + 7
-3k = 8 + 7

Combine like terms: 8 + 7 = 15
-3k = 15

Divide each side by '-3'.
k = -5

Simplifying
k = -5

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