-13+k=-3(k+7)+4

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Solution for -13+k=-3(k+7)+4 equation:


Simplifying
-13 + k = -3(k + 7) + 4

Reorder the terms:
-13 + k = -3(7 + k) + 4
-13 + k = (7 * -3 + k * -3) + 4
-13 + k = (-21 + -3k) + 4

Reorder the terms:
-13 + k = -21 + 4 + -3k

Combine like terms: -21 + 4 = -17
-13 + k = -17 + -3k

Solving
-13 + k = -17 + -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.
-13 + k + 3k = -17 + -3k + 3k

Combine like terms: k + 3k = 4k
-13 + 4k = -17 + -3k + 3k

Combine like terms: -3k + 3k = 0
-13 + 4k = -17 + 0
-13 + 4k = -17

Add '13' to each side of the equation.
-13 + 13 + 4k = -17 + 13

Combine like terms: -13 + 13 = 0
0 + 4k = -17 + 13
4k = -17 + 13

Combine like terms: -17 + 13 = -4
4k = -4

Divide each side by '4'.
k = -1

Simplifying
k = -1

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