-4(1+3k)=31-7k

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Solution for -4(1+3k)=31-7k equation:


Simplifying
-4(1 + 3k) = 31 + -7k
(1 * -4 + 3k * -4) = 31 + -7k
(-4 + -12k) = 31 + -7k

Solving
-4 + -12k = 31 + -7k

Solving for variable 'k'.

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

Add '7k' to each side of the equation.
-4 + -12k + 7k = 31 + -7k + 7k

Combine like terms: -12k + 7k = -5k
-4 + -5k = 31 + -7k + 7k

Combine like terms: -7k + 7k = 0
-4 + -5k = 31 + 0
-4 + -5k = 31

Add '4' to each side of the equation.
-4 + 4 + -5k = 31 + 4

Combine like terms: -4 + 4 = 0
0 + -5k = 31 + 4
-5k = 31 + 4

Combine like terms: 31 + 4 = 35
-5k = 35

Divide each side by '-5'.
k = -7

Simplifying
k = -7

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