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

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


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

Reorder the terms:
3 + 8k = 7(-7 + 3k)
3 + 8k = (-7 * 7 + 3k * 7)
3 + 8k = (-49 + 21k)

Solving
3 + 8k = -49 + 21k

Solving for variable 'k'.

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

Add '-21k' to each side of the equation.
3 + 8k + -21k = -49 + 21k + -21k

Combine like terms: 8k + -21k = -13k
3 + -13k = -49 + 21k + -21k

Combine like terms: 21k + -21k = 0
3 + -13k = -49 + 0
3 + -13k = -49

Add '-3' to each side of the equation.
3 + -3 + -13k = -49 + -3

Combine like terms: 3 + -3 = 0
0 + -13k = -49 + -3
-13k = -49 + -3

Combine like terms: -49 + -3 = -52
-13k = -52

Divide each side by '-13'.
k = 4

Simplifying
k = 4

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