0.4+0.5y=4.9

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Solution for 0.4+0.5y=4.9 equation: 


Simplifying
0.4 + 0.5y = 4.9

Solving
0.4 + 0.5y = 4.9

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 + 0.5y = 4.9 + -0.4

Combine like terms: 0.4 + -0.4 = 0.0
0.0 + 0.5y = 4.9 + -0.4
0.5y = 4.9 + -0.4

Combine like terms: 4.9 + -0.4 = 4.5
0.5y = 4.5

Divide each side by '0.5'.
y = 9

Simplifying
y = 9

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