0.4y+3=0.8y-1

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Solution for 0.4y+3=0.8y-1 equation:


Simplifying
0.4y + 3 = 0.8y + -1

Reorder the terms:
3 + 0.4y = 0.8y + -1

Reorder the terms:
3 + 0.4y = -1 + 0.8y

Solving
3 + 0.4y = -1 + 0.8y

Solving for variable 'y'.

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

Add '-0.8y' to each side of the equation.
3 + 0.4y + -0.8y = -1 + 0.8y + -0.8y

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

Combine like terms: 0.8y + -0.8y = 0.0
3 + -0.4y = -1 + 0.0
3 + -0.4y = -1

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

Combine like terms: 3 + -3 = 0
0 + -0.4y = -1 + -3
-0.4y = -1 + -3

Combine like terms: -1 + -3 = -4
-0.4y = -4

Divide each side by '-0.4'.
y = 10

Simplifying
y = 10

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