-7(k+9)=9(k-9)-14k

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Solution for -7(k+9)=9(k-9)-14k equation:


Simplifying
-7(k + 9) = 9(k + -9) + -14k

Reorder the terms:
-7(9 + k) = 9(k + -9) + -14k
(9 * -7 + k * -7) = 9(k + -9) + -14k
(-63 + -7k) = 9(k + -9) + -14k

Reorder the terms:
-63 + -7k = 9(-9 + k) + -14k
-63 + -7k = (-9 * 9 + k * 9) + -14k
-63 + -7k = (-81 + 9k) + -14k

Combine like terms: 9k + -14k = -5k
-63 + -7k = -81 + -5k

Solving
-63 + -7k = -81 + -5k

Solving for variable 'k'.

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

Add '5k' to each side of the equation.
-63 + -7k + 5k = -81 + -5k + 5k

Combine like terms: -7k + 5k = -2k
-63 + -2k = -81 + -5k + 5k

Combine like terms: -5k + 5k = 0
-63 + -2k = -81 + 0
-63 + -2k = -81

Add '63' to each side of the equation.
-63 + 63 + -2k = -81 + 63

Combine like terms: -63 + 63 = 0
0 + -2k = -81 + 63
-2k = -81 + 63

Combine like terms: -81 + 63 = -18
-2k = -18

Divide each side by '-2'.
k = 9

Simplifying
k = 9

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