.25=y-.2(8)

Solution for .25=y-.2(8) equation:

Simplifying
0.25 = y + -0.2(8)

Multiply -0.2 * 8
0.25 = y + -1.6

Reorder the terms:
0.25 = -1.6 + y

Solving
0.25 = -1.6 + 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.
0.25 + -1y = -1.6 + y + -1y

Combine like terms: y + -1y = 0
0.25 + -1y = -1.6 + 0
0.25 + -1y = -1.6

Add '-0.25' to each side of the equation.
0.25 + -0.25 + -1y = -1.6 + -0.25

Combine like terms: 0.25 + -0.25 = 0.00
0.00 + -1y = -1.6 + -0.25
-1y = -1.6 + -0.25

Combine like terms: -1.6 + -0.25 = -1.85
-1y = -1.85

Divide each side by '-1'.
y = 1.85

Simplifying
y = 1.85