9(k-4)-(8k+3)=9

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Solution for 9(k-4)-(8k+3)=9 equation:


Simplifying
9(k + -4) + -1(8k + 3) = 9

Reorder the terms:
9(-4 + k) + -1(8k + 3) = 9
(-4 * 9 + k * 9) + -1(8k + 3) = 9
(-36 + 9k) + -1(8k + 3) = 9

Reorder the terms:
-36 + 9k + -1(3 + 8k) = 9
-36 + 9k + (3 * -1 + 8k * -1) = 9
-36 + 9k + (-3 + -8k) = 9

Reorder the terms:
-36 + -3 + 9k + -8k = 9

Combine like terms: -36 + -3 = -39
-39 + 9k + -8k = 9

Combine like terms: 9k + -8k = 1k
-39 + 1k = 9

Solving
-39 + 1k = 9

Solving for variable 'k'.

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

Add '39' to each side of the equation.
-39 + 39 + 1k = 9 + 39

Combine like terms: -39 + 39 = 0
0 + 1k = 9 + 39
1k = 9 + 39

Combine like terms: 9 + 39 = 48
1k = 48

Divide each side by '1'.
k = 48

Simplifying
k = 48

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