8(12-x)=3(k+21)

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Solution for 8(12-x)=3(k+21) equation:


Simplifying
8(12 + -1x) = 3(k + 21)
(12 * 8 + -1x * 8) = 3(k + 21)
(96 + -8x) = 3(k + 21)

Reorder the terms:
96 + -8x = 3(21 + k)
96 + -8x = (21 * 3 + k * 3)
96 + -8x = (63 + 3k)

Solving
96 + -8x = 63 + 3k

Solving for variable 'x'.

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

Add '-96' to each side of the equation.
96 + -96 + -8x = 63 + -96 + 3k

Combine like terms: 96 + -96 = 0
0 + -8x = 63 + -96 + 3k
-8x = 63 + -96 + 3k

Combine like terms: 63 + -96 = -33
-8x = -33 + 3k

Divide each side by '-8'.
x = 4.125 + -0.375k

Simplifying
x = 4.125 + -0.375k

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