4.2y+0.8=0.4+5.1y

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Solution for 4.2y+0.8=0.4+5.1y equation:


Simplifying
4.2y + 0.8 = 0.4 + 5.1y

Reorder the terms:
0.8 + 4.2y = 0.4 + 5.1y

Solving
0.8 + 4.2y = 0.4 + 5.1y

Solving for variable 'y'.

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

Add '-5.1y' to each side of the equation.
0.8 + 4.2y + -5.1y = 0.4 + 5.1y + -5.1y

Combine like terms: 4.2y + -5.1y = -0.9y
0.8 + -0.9y = 0.4 + 5.1y + -5.1y

Combine like terms: 5.1y + -5.1y = 0.0
0.8 + -0.9y = 0.4 + 0.0
0.8 + -0.9y = 0.4

Add '-0.8' to each side of the equation.
0.8 + -0.8 + -0.9y = 0.4 + -0.8

Combine like terms: 0.8 + -0.8 = 0.0
0.0 + -0.9y = 0.4 + -0.8
-0.9y = 0.4 + -0.8

Combine like terms: 0.4 + -0.8 = -0.4
-0.9y = -0.4

Divide each side by '-0.9'.
y = 0.4444444444

Simplifying
y = 0.4444444444

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