-2k-31=-7(k+3)

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Solution for -2k-31=-7(k+3) equation:


Simplifying
-2k + -31 = -7(k + 3)

Reorder the terms:
-31 + -2k = -7(k + 3)

Reorder the terms:
-31 + -2k = -7(3 + k)
-31 + -2k = (3 * -7 + k * -7)
-31 + -2k = (-21 + -7k)

Solving
-31 + -2k = -21 + -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.
-31 + -2k + 7k = -21 + -7k + 7k

Combine like terms: -2k + 7k = 5k
-31 + 5k = -21 + -7k + 7k

Combine like terms: -7k + 7k = 0
-31 + 5k = -21 + 0
-31 + 5k = -21

Add '31' to each side of the equation.
-31 + 31 + 5k = -21 + 31

Combine like terms: -31 + 31 = 0
0 + 5k = -21 + 31
5k = -21 + 31

Combine like terms: -21 + 31 = 10
5k = 10

Divide each side by '5'.
k = 2

Simplifying
k = 2

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