4y*.8-.1=3y+.8

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Solution for 4y*.8-.1=3y+.8 equation:


Simplifying
4y * 0.8 + -0.1 = 3y + 0.8

Reorder the terms for easier multiplication:
4 * 0.8y + -0.1 = 3y + 0.8

Multiply 4 * 0.8
3.2y + -0.1 = 3y + 0.8

Reorder the terms:
-0.1 + 3.2y = 3y + 0.8

Reorder the terms:
-0.1 + 3.2y = 0.8 + 3y

Solving
-0.1 + 3.2y = 0.8 + 3y

Solving for variable 'y'.

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

Add '-3y' to each side of the equation.
-0.1 + 3.2y + -3y = 0.8 + 3y + -3y

Combine like terms: 3.2y + -3y = 0.2y
-0.1 + 0.2y = 0.8 + 3y + -3y

Combine like terms: 3y + -3y = 0
-0.1 + 0.2y = 0.8 + 0
-0.1 + 0.2y = 0.8

Add '0.1' to each side of the equation.
-0.1 + 0.1 + 0.2y = 0.8 + 0.1

Combine like terms: -0.1 + 0.1 = 0.0
0.0 + 0.2y = 0.8 + 0.1
0.2y = 0.8 + 0.1

Combine like terms: 0.8 + 0.1 = 0.9
0.2y = 0.9

Divide each side by '0.2'.
y = 4.5

Simplifying
y = 4.5

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