4.3y+9.89=-19.78

Solution for 4.3y+9.89=-19.78 equation:

Simplifying
4.3y + 9.89 = -19.78

Reorder the terms:
9.89 + 4.3y = -19.78

Solving
9.89 + 4.3y = -19.78

Solving for variable 'y'.

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

Add '-9.89' to each side of the equation.
9.89 + -9.89 + 4.3y = -19.78 + -9.89

Combine like terms: 9.89 + -9.89 = 0.00
0.00 + 4.3y = -19.78 + -9.89
4.3y = -19.78 + -9.89

Combine like terms: -19.78 + -9.89 = -29.67
4.3y = -29.67

Divide each side by '4.3'.
y = -6.9

Simplifying
y = -6.9