3(y-1)*5=55

Solution for 3(y-1)*5=55 equation:

Simplifying
3(y + -1) * 5 = 55

Reorder the terms:
3(-1 + y) * 5 = 55

Reorder the terms for easier multiplication:
3 * 5(-1 + y) = 55

Multiply 3 * 5
15(-1 + y) = 55
(-1 * 15 + y * 15) = 55
(-15 + 15y) = 55

Solving
-15 + 15y = 55

Solving for variable 'y'.

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

Add '15' to each side of the equation.
-15 + 15 + 15y = 55 + 15

Combine like terms: -15 + 15 = 0
0 + 15y = 55 + 15
15y = 55 + 15

Combine like terms: 55 + 15 = 70
15y = 70

Divide each side by '15'.
y = 4.666666667

Simplifying
y = 4.666666667