0.4-4+7-0.9y=

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Solution for 0.4-4+7-0.9y= equation: 


Simplifying
0.4 + -4 + 7 + -0.9y = 0

Combine like terms: 0.4 + -4 = -3.6
-3.6 + 7 + -0.9y = 0

Combine like terms: -3.6 + 7 = 3.4
3.4 + -0.9y = 0

Solving
3.4 + -0.9y = 0

Solving for variable 'y'.

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

Add '-3.4' to each side of the equation.
3.4 + -3.4 + -0.9y = 0 + -3.4

Combine like terms: 3.4 + -3.4 = 0.0
0.0 + -0.9y = 0 + -3.4
-0.9y = 0 + -3.4

Combine like terms: 0 + -3.4 = -3.4
-0.9y = -3.4

Divide each side by '-0.9'.
y = 3.777777778

Simplifying
y = 3.777777778

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