3.9=y-1.4

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Solution for 3.9=y-1.4 equation:


Simplifying
3.9 = y + -1.4

Reorder the terms:
3.9 = -1.4 + y

Solving
3.9 = -1.4 + y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
3.9 + -1y = -1.4 + y + -1y

Combine like terms: y + -1y = 0
3.9 + -1y = -1.4 + 0
3.9 + -1y = -1.4

Add '-3.9' to each side of the equation.
3.9 + -3.9 + -1y = -1.4 + -3.9

Combine like terms: 3.9 + -3.9 = 0.0
0.0 + -1y = -1.4 + -3.9
-1y = -1.4 + -3.9

Combine like terms: -1.4 + -3.9 = -5.3
-1y = -5.3

Divide each side by '-1'.
y = 5.3

Simplifying
y = 5.3

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