-10(k+7)-(k+8)=

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Solution for -10(k+7)-(k+8)= equation:


Simplifying
-10(k + 7) + -1(k + 8) = 0

Reorder the terms:
-10(7 + k) + -1(k + 8) = 0
(7 * -10 + k * -10) + -1(k + 8) = 0
(-70 + -10k) + -1(k + 8) = 0

Reorder the terms:
-70 + -10k + -1(8 + k) = 0
-70 + -10k + (8 * -1 + k * -1) = 0
-70 + -10k + (-8 + -1k) = 0

Reorder the terms:
-70 + -8 + -10k + -1k = 0

Combine like terms: -70 + -8 = -78
-78 + -10k + -1k = 0

Combine like terms: -10k + -1k = -11k
-78 + -11k = 0

Solving
-78 + -11k = 0

Solving for variable 'k'.

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

Add '78' to each side of the equation.
-78 + 78 + -11k = 0 + 78

Combine like terms: -78 + 78 = 0
0 + -11k = 0 + 78
-11k = 0 + 78

Combine like terms: 0 + 78 = 78
-11k = 78

Divide each side by '-11'.
k = -7.090909091

Simplifying
k = -7.090909091

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