2(y-3)=1.2-9

Solution for 2(y-3)=1.2-9 equation:

Simplifying
2(y + -3) = 1.2 + -9

Reorder the terms:
2(-3 + y) = 1.2 + -9
(-3 * 2 + y * 2) = 1.2 + -9
(-6 + 2y) = 1.2 + -9

Combine like terms: 1.2 + -9 = -7.8
-6 + 2y = -7.8

Solving
-6 + 2y = -7.8

Solving for variable 'y'.

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

Add '6' to each side of the equation.
-6 + 6 + 2y = -7.8 + 6

Combine like terms: -6 + 6 = 0
0 + 2y = -7.8 + 6
2y = -7.8 + 6

Combine like terms: -7.8 + 6 = -1.8
2y = -1.8

Divide each side by '2'.
y = -0.9

Simplifying
y = -0.9