4.2+1.4y=8.4

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Solution for 4.2+1.4y=8.4 equation: 


Simplifying
4.2 + 1.4y = 8.4

Solving
4.2 + 1.4y = 8.4

Solving for variable 'y'.

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

Add '-4.2' to each side of the equation.
4.2 + -4.2 + 1.4y = 8.4 + -4.2

Combine like terms: 4.2 + -4.2 = 0.0
0.0 + 1.4y = 8.4 + -4.2
1.4y = 8.4 + -4.2

Combine like terms: 8.4 + -4.2 = 4.2
1.4y = 4.2

Divide each side by '1.4'.
y = 3

Simplifying
y = 3

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