52.1*-1.5=y

Solution for 52.1*-1.5=y equation:

Simplifying
52.1 * -1.5 = y

Multiply 52.1 * -1.5
-78.15 = y

Solving
-78.15 = 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.
-78.15 + -1y = y + -1y

Combine like terms: y + -1y = 0
-78.15 + -1y = 0

Add '78.15' to each side of the equation.
-78.15 + 78.15 + -1y = 0 + 78.15

Combine like terms: -78.15 + 78.15 = 0.00
0.00 + -1y = 0 + 78.15
-1y = 0 + 78.15

Combine like terms: 0 + 78.15 = 78.15
-1y = 78.15

Divide each side by '-1'.
y = -78.15

Simplifying
y = -78.15