-51=8(7+8k)-5(1+6k)

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Solution for -51=8(7+8k)-5(1+6k) equation:


Simplifying
-51 = 8(7 + 8k) + -5(1 + 6k)
-51 = (7 * 8 + 8k * 8) + -5(1 + 6k)
-51 = (56 + 64k) + -5(1 + 6k)
-51 = 56 + 64k + (1 * -5 + 6k * -5)
-51 = 56 + 64k + (-5 + -30k)

Reorder the terms:
-51 = 56 + -5 + 64k + -30k

Combine like terms: 56 + -5 = 51
-51 = 51 + 64k + -30k

Combine like terms: 64k + -30k = 34k
-51 = 51 + 34k

Solving
-51 = 51 + 34k

Solving for variable 'k'.

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

Add '-34k' to each side of the equation.
-51 + -34k = 51 + 34k + -34k

Combine like terms: 34k + -34k = 0
-51 + -34k = 51 + 0
-51 + -34k = 51

Add '51' to each side of the equation.
-51 + 51 + -34k = 51 + 51

Combine like terms: -51 + 51 = 0
0 + -34k = 51 + 51
-34k = 51 + 51

Combine like terms: 51 + 51 = 102
-34k = 102

Divide each side by '-34'.
k = -3

Simplifying
k = -3

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