-4-3=0.4x-2y

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Solution for -4-3=0.4x-2y equation:


Simplifying
-4 + -3 = 0.4x + -2y

Combine like terms: -4 + -3 = -7
-7 = 0.4x + -2y

Solving
-7 = 0.4x + -2y

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.
-7 + -0.4x = 0.4x + -0.4x + -2y

Combine like terms: 0.4x + -0.4x = 0.0
-7 + -0.4x = 0.0 + -2y
-7 + -0.4x = -2y

Add '7' to each side of the equation.
-7 + 7 + -0.4x = 7 + -2y

Combine like terms: -7 + 7 = 0
0 + -0.4x = 7 + -2y
-0.4x = 7 + -2y

Divide each side by '-0.4'.
x = -17.5 + 5y

Simplifying
x = -17.5 + 5y

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