7k-4-8k=-4(7k-3)+7(2k+7)

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Solution for 7k-4-8k=-4(7k-3)+7(2k+7) equation:


Simplifying
7k + -4 + -8k = -4(7k + -3) + 7(2k + 7)

Reorder the terms:
-4 + 7k + -8k = -4(7k + -3) + 7(2k + 7)

Combine like terms: 7k + -8k = -1k
-4 + -1k = -4(7k + -3) + 7(2k + 7)

Reorder the terms:
-4 + -1k = -4(-3 + 7k) + 7(2k + 7)
-4 + -1k = (-3 * -4 + 7k * -4) + 7(2k + 7)
-4 + -1k = (12 + -28k) + 7(2k + 7)

Reorder the terms:
-4 + -1k = 12 + -28k + 7(7 + 2k)
-4 + -1k = 12 + -28k + (7 * 7 + 2k * 7)
-4 + -1k = 12 + -28k + (49 + 14k)

Reorder the terms:
-4 + -1k = 12 + 49 + -28k + 14k

Combine like terms: 12 + 49 = 61
-4 + -1k = 61 + -28k + 14k

Combine like terms: -28k + 14k = -14k
-4 + -1k = 61 + -14k

Solving
-4 + -1k = 61 + -14k

Solving for variable 'k'.

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

Add '14k' to each side of the equation.
-4 + -1k + 14k = 61 + -14k + 14k

Combine like terms: -1k + 14k = 13k
-4 + 13k = 61 + -14k + 14k

Combine like terms: -14k + 14k = 0
-4 + 13k = 61 + 0
-4 + 13k = 61

Add '4' to each side of the equation.
-4 + 4 + 13k = 61 + 4

Combine like terms: -4 + 4 = 0
0 + 13k = 61 + 4
13k = 61 + 4

Combine like terms: 61 + 4 = 65
13k = 65

Divide each side by '13'.
k = 5

Simplifying
k = 5

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