4200=2000a

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Solution for 4200=2000a equation:


Simplifying
4200 = 2000a

Solving
4200 = 2000a

Solving for variable 'a'.

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

Add '-2000a' to each side of the equation.
4200 + -2000a = 2000a + -2000a

Combine like terms: 2000a + -2000a = 0
4200 + -2000a = 0

Add '-4200' to each side of the equation.
4200 + -4200 + -2000a = 0 + -4200

Combine like terms: 4200 + -4200 = 0
0 + -2000a = 0 + -4200
-2000a = 0 + -4200

Combine like terms: 0 + -4200 = -4200
-2000a = -4200

Divide each side by '-2000'.
a = 2.1

Simplifying
a = 2.1

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