13-0.4x=-3

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Solution for 13-0.4x=-3 equation: 


Simplifying
13 + -0.4x = -3

Solving
13 + -0.4x = -3

Solving for variable 'x'.

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

Add '-13' to each side of the equation.
13 + -13 + -0.4x = -3 + -13

Combine like terms: 13 + -13 = 0
0 + -0.4x = -3 + -13
-0.4x = -3 + -13

Combine like terms: -3 + -13 = -16
-0.4x = -16

Divide each side by '-0.4'.
x = 40

Simplifying
x = 40

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