137k views
2 votes
Solve the equation for x. 2/3 x - 1/9 x + 5 =20

2 Answers

2 votes

Answer:

27

Explanation:

User Chachra
by
5.8k points
2 votes


(2)/(3)x-(1)/(9)x+5=20\qquad\text{multiply bot sides by 9}\\\\\\ot9^3\cdot(2)/(\\ot3_1)x-\\ot9^1\cdot(1)/(\\ot9_1)x+9\cdot5=9\cdot20\\\\3\cdot2x-1x+45=180\qquad\text{subtract 45 from both sides}\\\\6x-x=135\\\\5x=135\qquad\text{divide both sides by 5}\\\\\boxed{x=27}

User Ngephart
by
5.8k points