0=7.5+0.4x

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Solution for 0=7.5+0.4x equation: 


Simplifying
0 = 7.5 + 0.4x

Solving
0 = 7.5 + 0.4x

Solving for variable 'x'.

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

Add '-0.4x' to each side of the equation.
0 + -0.4x = 7.5 + 0.4x + -0.4x
Remove the zero:
-0.4x = 7.5 + 0.4x + -0.4x

Combine like terms: 0.4x + -0.4x = 0.0
-0.4x = 7.5 + 0.0
-0.4x = 7.5

Divide each side by '-0.4'.
x = -18.75

Simplifying
x = -18.75

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