0.4+y=7

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Solution for 0.4+y=7 equation: 


Simplifying
0.4 + y = 7

Solving
0.4 + y = 7

Solving for variable 'y'.

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

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

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

Combine like terms: 7 + -0.4 = 6.6
y = 6.6

Simplifying
y = 6.6

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