-7(k+9)=9(k-5)-15

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Solution for -7(k+9)=9(k-5)-15 equation:


Simplifying
-7(k + 9) = 9(k + -5) + -15

Reorder the terms:
-7(9 + k) = 9(k + -5) + -15
(9 * -7 + k * -7) = 9(k + -5) + -15
(-63 + -7k) = 9(k + -5) + -15

Reorder the terms:
-63 + -7k = 9(-5 + k) + -15
-63 + -7k = (-5 * 9 + k * 9) + -15
-63 + -7k = (-45 + 9k) + -15

Reorder the terms:
-63 + -7k = -45 + -15 + 9k

Combine like terms: -45 + -15 = -60
-63 + -7k = -60 + 9k

Solving
-63 + -7k = -60 + 9k

Solving for variable 'k'.

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

Add '-9k' to each side of the equation.
-63 + -7k + -9k = -60 + 9k + -9k

Combine like terms: -7k + -9k = -16k
-63 + -16k = -60 + 9k + -9k

Combine like terms: 9k + -9k = 0
-63 + -16k = -60 + 0
-63 + -16k = -60

Add '63' to each side of the equation.
-63 + 63 + -16k = -60 + 63

Combine like terms: -63 + 63 = 0
0 + -16k = -60 + 63
-16k = -60 + 63

Combine like terms: -60 + 63 = 3
-16k = 3

Divide each side by '-16'.
k = -0.1875

Simplifying
k = -0.1875

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