0.4y+1=1.2y-3

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Solution for 0.4y+1=1.2y-3 equation:


Simplifying
0.4y + 1 = 1.2y + -3

Reorder the terms:
1 + 0.4y = 1.2y + -3

Reorder the terms:
1 + 0.4y = -3 + 1.2y

Solving
1 + 0.4y = -3 + 1.2y

Solving for variable 'y'.

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

Add '-1.2y' to each side of the equation.
1 + 0.4y + -1.2y = -3 + 1.2y + -1.2y

Combine like terms: 0.4y + -1.2y = -0.8y
1 + -0.8y = -3 + 1.2y + -1.2y

Combine like terms: 1.2y + -1.2y = 0.0
1 + -0.8y = -3 + 0.0
1 + -0.8y = -3

Add '-1' to each side of the equation.
1 + -1 + -0.8y = -3 + -1

Combine like terms: 1 + -1 = 0
0 + -0.8y = -3 + -1
-0.8y = -3 + -1

Combine like terms: -3 + -1 = -4
-0.8y = -4

Divide each side by '-0.8'.
y = 5

Simplifying
y = 5

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