Multiply by .

Subtract from both sides of the equation.

Divide each term in by .

Cancel the common factor of .

Simplify each term.

Divide by .

Move the negative in front of the fraction.

Factor out of .

Factor out of .

Separate fractions.

Divide by .

Divide by .

Multiply by .

Solve for a 0.06a+0.02b=0.03*80