420=7000*.12*x

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Solution for 420=7000*.12*x equation:


Simplifying
420 = 7000 * 0.12x

Multiply 7000 * 0.12
420 = 840x

Solving
420 = 840x

Solving for variable 'x'.

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

Add '-840x' to each side of the equation.
420 + -840x = 840x + -840x

Combine like terms: 840x + -840x = 0
420 + -840x = 0

Add '-420' to each side of the equation.
420 + -420 + -840x = 0 + -420

Combine like terms: 420 + -420 = 0
0 + -840x = 0 + -420
-840x = 0 + -420

Combine like terms: 0 + -420 = -420
-840x = -420

Divide each side by '-840'.
x = 0.5

Simplifying
x = 0.5

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