-7(k+9)=9(k-5)-1k

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Solution for -7(k+9)=9(k-5)-1k equation:


Simplifying
-7(k + 9) = 9(k + -5) + -1k

Reorder the terms:
-7(9 + k) = 9(k + -5) + -1k
(9 * -7 + k * -7) = 9(k + -5) + -1k
(-63 + -7k) = 9(k + -5) + -1k

Reorder the terms:
-63 + -7k = 9(-5 + k) + -1k
-63 + -7k = (-5 * 9 + k * 9) + -1k
-63 + -7k = (-45 + 9k) + -1k

Combine like terms: 9k + -1k = 8k
-63 + -7k = -45 + 8k

Solving
-63 + -7k = -45 + 8k

Solving for variable 'k'.

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

Add '-8k' to each side of the equation.
-63 + -7k + -8k = -45 + 8k + -8k

Combine like terms: -7k + -8k = -15k
-63 + -15k = -45 + 8k + -8k

Combine like terms: 8k + -8k = 0
-63 + -15k = -45 + 0
-63 + -15k = -45

Add '63' to each side of the equation.
-63 + 63 + -15k = -45 + 63

Combine like terms: -63 + 63 = 0
0 + -15k = -45 + 63
-15k = -45 + 63

Combine like terms: -45 + 63 = 18
-15k = 18

Divide each side by '-15'.
k = -1.2

Simplifying
k = -1.2

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