7000=7x-21000

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Solution for 7000=7x-21000 equation:


Simplifying
7000 = 7x + -21000

Reorder the terms:
7000 = -21000 + 7x

Solving
7000 = -21000 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
7000 + -7x = -21000 + 7x + -7x

Combine like terms: 7x + -7x = 0
7000 + -7x = -21000 + 0
7000 + -7x = -21000

Add '-7000' to each side of the equation.
7000 + -7000 + -7x = -21000 + -7000

Combine like terms: 7000 + -7000 = 0
0 + -7x = -21000 + -7000
-7x = -21000 + -7000

Combine like terms: -21000 + -7000 = -28000
-7x = -28000

Divide each side by '-7'.
x = 4000

Simplifying
x = 4000

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