7+.3X=9

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Solution for 7+.3X=9 equation:


Simplifying
7 + 0.3X = 9

Solving
7 + 0.3X = 9

Solving for variable 'X'.

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

Add '-7' to each side of the equation.
7 + -7 + 0.3X = 9 + -7

Combine like terms: 7 + -7 = 0
0 + 0.3X = 9 + -7
0.3X = 9 + -7

Combine like terms: 9 + -7 = 2
0.3X = 2

Divide each side by '0.3'.
X = 6.666666667

Simplifying
X = 6.666666667

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