.40x+7=3

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Solution for .40x+7=3 equation: 


Simplifying
0.40x + 7 = 3

Reorder the terms:
7 + 0.40x = 3

Solving
7 + 0.40x = 3

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + -7 + 0.40x = 3 + -7

Combine like terms: 7 + -7 = 0
0 + 0.40x = 3 + -7
0.40x = 3 + -7

Combine like terms: 3 + -7 = -4
0.40x = -4

Divide each side by '0.40'.
x = -10

Simplifying
x = -10

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