(x+1000)+x+(3x)=21000

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Solution for (x+1000)+x+(3x)=21000 equation:


Simplifying
(x + 1000) + x + (3x) = 21000

Reorder the terms:
(1000 + x) + x + (3x) = 21000

Remove parenthesis around (1000 + x)
1000 + x + x + (3x) = 21000

Combine like terms: x + x = 2x
1000 + 2x + (3x) = 21000

Combine like terms: 2x + (3x) = 5x
1000 + 5x = 21000

Solving
1000 + 5x = 21000

Solving for variable 'x'.

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

Add '-1000' to each side of the equation.
1000 + -1000 + 5x = 21000 + -1000

Combine like terms: 1000 + -1000 = 0
0 + 5x = 21000 + -1000
5x = 21000 + -1000

Combine like terms: 21000 + -1000 = 20000
5x = 20000

Divide each side by '5'.
x = 4000

Simplifying
x = 4000

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