7(1+k)+6(k+3)=76

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Solution for 7(1+k)+6(k+3)=76 equation:


Simplifying
7(1 + k) + 6(k + 3) = 76
(1 * 7 + k * 7) + 6(k + 3) = 76
(7 + 7k) + 6(k + 3) = 76

Reorder the terms:
7 + 7k + 6(3 + k) = 76
7 + 7k + (3 * 6 + k * 6) = 76
7 + 7k + (18 + 6k) = 76

Reorder the terms:
7 + 18 + 7k + 6k = 76

Combine like terms: 7 + 18 = 25
25 + 7k + 6k = 76

Combine like terms: 7k + 6k = 13k
25 + 13k = 76

Solving
25 + 13k = 76

Solving for variable 'k'.

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

Add '-25' to each side of the equation.
25 + -25 + 13k = 76 + -25

Combine like terms: 25 + -25 = 0
0 + 13k = 76 + -25
13k = 76 + -25

Combine like terms: 76 + -25 = 51
13k = 51

Divide each side by '13'.
k = 3.923076923

Simplifying
k = 3.923076923

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