X-.90x=7

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Solution for X-.90x=7 equation: 


Simplifying
X + -0.90x = 7

Solving
X + -0.90x = 7

Solving for variable 'X'.

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

Add '0.90x' to each side of the equation.
X + -0.90x + 0.90x = 7 + 0.90x

Combine like terms: -0.90x + 0.90x = 0.00
X + 0.00 = 7 + 0.90x
X = 7 + 0.90x

Simplifying
X = 7 + 0.90x

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