-2=5.4+2(y-3)

Solution for -2=5.4+2(y-3) equation:

Simplifying
-2 = 5.4 + 2(y + -3)

Reorder the terms:
-2 = 5.4 + 2(-3 + y)
-2 = 5.4 + (-3 * 2 + y * 2)
-2 = 5.4 + (-6 + 2y)

Combine like terms: 5.4 + -6 = -0.6
-2 = -0.6 + 2y

Solving
-2 = -0.6 + 2y

Solving for variable 'y'.

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

Add '-2y' to each side of the equation.
-2 + -2y = -0.6 + 2y + -2y

Combine like terms: 2y + -2y = 0
-2 + -2y = -0.6 + 0
-2 + -2y = -0.6

Add '2' to each side of the equation.
-2 + 2 + -2y = -0.6 + 2

Combine like terms: -2 + 2 = 0
0 + -2y = -0.6 + 2
-2y = -0.6 + 2

Combine like terms: -0.6 + 2 = 1.4
-2y = 1.4

Divide each side by '-2'.
y = -0.7

Simplifying
y = -0.7