4.8=1.8-0.4y

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Solution for 4.8=1.8-0.4y equation:


Simplifying
4.8 = 1.8 + -0.4y

Solving
4.8 = 1.8 + -0.4y

Solving for variable 'y'.

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

Add '0.4y' to each side of the equation.
4.8 + 0.4y = 1.8 + -0.4y + 0.4y

Combine like terms: -0.4y + 0.4y = 0.0
4.8 + 0.4y = 1.8 + 0.0
4.8 + 0.4y = 1.8

Add '-4.8' to each side of the equation.
4.8 + -4.8 + 0.4y = 1.8 + -4.8

Combine like terms: 4.8 + -4.8 = 0.0
0.0 + 0.4y = 1.8 + -4.8
0.4y = 1.8 + -4.8

Combine like terms: 1.8 + -4.8 = -3
0.4y = -3

Divide each side by '0.4'.
y = -7.5

Simplifying
y = -7.5

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