.5x-4x=7

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Solution for .5x-4x=7 equation: 


Simplifying
0.5x + -4x = 7

Combine like terms: 0.5x + -4x = -3.5x
-3.5x = 7

Solving
-3.5x = 7

Solving for variable 'x'.

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

Divide each side by '-3.5'.
x = -2

Simplifying
x = -2

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