1000+x+3x=21000

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


Simplifying
1000 + x + 3x = 21000

Combine like terms: x + 3x = 4x
1000 + 4x = 21000

Solving
1000 + 4x = 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 + 4x = 21000 + -1000

Combine like terms: 1000 + -1000 = 0
0 + 4x = 21000 + -1000
4x = 21000 + -1000

Combine like terms: 21000 + -1000 = 20000
4x = 20000

Divide each side by '4'.
x = 5000

Simplifying
x = 5000

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