7(3-k)=3k+4

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


Simplifying
7(3 + -1k) = 3k + 4
(3 * 7 + -1k * 7) = 3k + 4
(21 + -7k) = 3k + 4

Reorder the terms:
21 + -7k = 4 + 3k

Solving
21 + -7k = 4 + 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.
21 + -7k + -3k = 4 + 3k + -3k

Combine like terms: -7k + -3k = -10k
21 + -10k = 4 + 3k + -3k

Combine like terms: 3k + -3k = 0
21 + -10k = 4 + 0
21 + -10k = 4

Add '-21' to each side of the equation.
21 + -21 + -10k = 4 + -21

Combine like terms: 21 + -21 = 0
0 + -10k = 4 + -21
-10k = 4 + -21

Combine like terms: 4 + -21 = -17
-10k = -17

Divide each side by '-10'.
k = 1.7

Simplifying
k = 1.7

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