9k-4(2k+5)=63

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Solution for 9k-4(2k+5)=63 equation:


Simplifying
9k + -4(2k + 5) = 63

Reorder the terms:
9k + -4(5 + 2k) = 63
9k + (5 * -4 + 2k * -4) = 63
9k + (-20 + -8k) = 63

Reorder the terms:
-20 + 9k + -8k = 63

Combine like terms: 9k + -8k = 1k
-20 + 1k = 63

Solving
-20 + 1k = 63

Solving for variable 'k'.

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

Add '20' to each side of the equation.
-20 + 20 + 1k = 63 + 20

Combine like terms: -20 + 20 = 0
0 + 1k = 63 + 20
1k = 63 + 20

Combine like terms: 63 + 20 = 83
1k = 83

Divide each side by '1'.
k = 83

Simplifying
k = 83

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