8(k+9)-(7k+8)=-6

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Solution for 8(k+9)-(7k+8)=-6 equation:


Simplifying
8(k + 9) + -1(7k + 8) = -6

Reorder the terms:
8(9 + k) + -1(7k + 8) = -6
(9 * 8 + k * 8) + -1(7k + 8) = -6
(72 + 8k) + -1(7k + 8) = -6

Reorder the terms:
72 + 8k + -1(8 + 7k) = -6
72 + 8k + (8 * -1 + 7k * -1) = -6
72 + 8k + (-8 + -7k) = -6

Reorder the terms:
72 + -8 + 8k + -7k = -6

Combine like terms: 72 + -8 = 64
64 + 8k + -7k = -6

Combine like terms: 8k + -7k = 1k
64 + 1k = -6

Solving
64 + 1k = -6

Solving for variable 'k'.

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

Add '-64' to each side of the equation.
64 + -64 + 1k = -6 + -64

Combine like terms: 64 + -64 = 0
0 + 1k = -6 + -64
1k = -6 + -64

Combine like terms: -6 + -64 = -70
1k = -70

Divide each side by '1'.
k = -70

Simplifying
k = -70

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