Simplify each term.

Apply the distributive property.

Multiply by .

Multiply by .

Apply the distributive property.

Multiply by .

Multiply by .

Simplify by adding terms.

Subtract from .

Add and .

Subtract from both sides of the equation.

Subtract from .

Subtract from both sides of the equation.

Divide each term in by .

Cancel the common factor of .

Divide by .

Solve for y 0.4(0.9y+6)-0.4(1.7y-0.8)=y