-3(k+8)-4(k+4)=4k-7k

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Solution for -3(k+8)-4(k+4)=4k-7k equation:


Simplifying
-3(k + 8) + -4(k + 4) = 4k + -7k

Reorder the terms:
-3(8 + k) + -4(k + 4) = 4k + -7k
(8 * -3 + k * -3) + -4(k + 4) = 4k + -7k
(-24 + -3k) + -4(k + 4) = 4k + -7k

Reorder the terms:
-24 + -3k + -4(4 + k) = 4k + -7k
-24 + -3k + (4 * -4 + k * -4) = 4k + -7k
-24 + -3k + (-16 + -4k) = 4k + -7k

Reorder the terms:
-24 + -16 + -3k + -4k = 4k + -7k

Combine like terms: -24 + -16 = -40
-40 + -3k + -4k = 4k + -7k

Combine like terms: -3k + -4k = -7k
-40 + -7k = 4k + -7k

Combine like terms: 4k + -7k = -3k
-40 + -7k = -3k

Solving
-40 + -7k = -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.
-40 + -7k + 3k = -3k + 3k

Combine like terms: -7k + 3k = -4k
-40 + -4k = -3k + 3k

Combine like terms: -3k + 3k = 0
-40 + -4k = 0

Add '40' to each side of the equation.
-40 + 40 + -4k = 0 + 40

Combine like terms: -40 + 40 = 0
0 + -4k = 0 + 40
-4k = 0 + 40

Combine like terms: 0 + 40 = 40
-4k = 40

Divide each side by '-4'.
k = -10

Simplifying
k = -10

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