## Elementary Algebra

x = 1.4166666 $\approx$ 1.42
0.5x + 0.7x = 1.7 Multiply both sides by 10 to clear the equation of all decimals. 5x + 7x = 17 12x = 17 Divide both sides by 12. x = 1.4166666 $\approx$ 1.42