2y+0.4=18

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Solution for 2y+0.4=18 equation: 


Simplifying
2y + 0.4 = 18

Reorder the terms:
0.4 + 2y = 18

Solving
0.4 + 2y = 18

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 + 2y = 18 + -0.4

Combine like terms: 0.4 + -0.4 = 0.0
0.0 + 2y = 18 + -0.4
2y = 18 + -0.4

Combine like terms: 18 + -0.4 = 17.6
2y = 17.6

Divide each side by '2'.
y = 8.8

Simplifying
y = 8.8

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