6.3+0.3x-0.7x=-0.9

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Solution for 6.3+0.3x-0.7x=-0.9 equation: 


Simplifying
6.3 + 0.3x + -0.7x = -0.9

Combine like terms: 0.3x + -0.7x = -0.4x
6.3 + -0.4x = -0.9

Solving
6.3 + -0.4x = -0.9

Solving for variable 'x'.

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

Add '-6.3' to each side of the equation.
6.3 + -6.3 + -0.4x = -0.9 + -6.3

Combine like terms: 6.3 + -6.3 = 0.0
0.0 + -0.4x = -0.9 + -6.3
-0.4x = -0.9 + -6.3

Combine like terms: -0.9 + -6.3 = -7.2
-0.4x = -7.2

Divide each side by '-0.4'.
x = 18

Simplifying
x = 18

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