900-42x=90

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Solution for 900-42x=90 equation: 


Simplifying
900 + -42x = 90

Solving
900 + -42x = 90

Solving for variable 'x'.

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

Add '-900' to each side of the equation.
900 + -900 + -42x = 90 + -900

Combine like terms: 900 + -900 = 0
0 + -42x = 90 + -900
-42x = 90 + -900

Combine like terms: 90 + -900 = -810
-42x = -810

Divide each side by '-42'.
x = 19.28571429

Simplifying
x = 19.28571429

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