21000*12=36000*(12-x)

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Solution for 21000*12=36000*(12-x) equation:


Simplifying
21000 * 12 = 36000(12 + -1x)

Multiply 21000 * 12
252000 = 36000(12 + -1x)
252000 = (12 * 36000 + -1x * 36000)
252000 = (432000 + -36000x)

Solving
252000 = 432000 + -36000x

Solving for variable 'x'.

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

Add '36000x' to each side of the equation.
252000 + 36000x = 432000 + -36000x + 36000x

Combine like terms: -36000x + 36000x = 0
252000 + 36000x = 432000 + 0
252000 + 36000x = 432000

Add '-252000' to each side of the equation.
252000 + -252000 + 36000x = 432000 + -252000

Combine like terms: 252000 + -252000 = 0
0 + 36000x = 432000 + -252000
36000x = 432000 + -252000

Combine like terms: 432000 + -252000 = 180000
36000x = 180000

Divide each side by '36000'.
x = 5

Simplifying
x = 5

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