-43=-7(k-5)-2(7k-3)

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Solution for -43=-7(k-5)-2(7k-3) equation:


Simplifying
-43 = -7(k + -5) + -2(7k + -3)

Reorder the terms:
-43 = -7(-5 + k) + -2(7k + -3)
-43 = (-5 * -7 + k * -7) + -2(7k + -3)
-43 = (35 + -7k) + -2(7k + -3)

Reorder the terms:
-43 = 35 + -7k + -2(-3 + 7k)
-43 = 35 + -7k + (-3 * -2 + 7k * -2)
-43 = 35 + -7k + (6 + -14k)

Reorder the terms:
-43 = 35 + 6 + -7k + -14k

Combine like terms: 35 + 6 = 41
-43 = 41 + -7k + -14k

Combine like terms: -7k + -14k = -21k
-43 = 41 + -21k

Solving
-43 = 41 + -21k

Solving for variable 'k'.

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

Add '21k' to each side of the equation.
-43 + 21k = 41 + -21k + 21k

Combine like terms: -21k + 21k = 0
-43 + 21k = 41 + 0
-43 + 21k = 41

Add '43' to each side of the equation.
-43 + 43 + 21k = 41 + 43

Combine like terms: -43 + 43 = 0
0 + 21k = 41 + 43
21k = 41 + 43

Combine like terms: 41 + 43 = 84
21k = 84

Divide each side by '21'.
k = 4

Simplifying
k = 4

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