4(k-7)-7(4+7k)=79

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Solution for 4(k-7)-7(4+7k)=79 equation:


Simplifying
4(k + -7) + -7(4 + 7k) = 79

Reorder the terms:
4(-7 + k) + -7(4 + 7k) = 79
(-7 * 4 + k * 4) + -7(4 + 7k) = 79
(-28 + 4k) + -7(4 + 7k) = 79
-28 + 4k + (4 * -7 + 7k * -7) = 79
-28 + 4k + (-28 + -49k) = 79

Reorder the terms:
-28 + -28 + 4k + -49k = 79

Combine like terms: -28 + -28 = -56
-56 + 4k + -49k = 79

Combine like terms: 4k + -49k = -45k
-56 + -45k = 79

Solving
-56 + -45k = 79

Solving for variable 'k'.

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

Add '56' to each side of the equation.
-56 + 56 + -45k = 79 + 56

Combine like terms: -56 + 56 = 0
0 + -45k = 79 + 56
-45k = 79 + 56

Combine like terms: 79 + 56 = 135
-45k = 135

Divide each side by '-45'.
k = -3

Simplifying
k = -3

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