9x−49=2x+21 Subtract 2x from both sides. 9x−49−2x=21 Combine 9x and −2x to get 7x. 7x−49=21 Add 49 to both sides. 7x=21+49 Add 21 and 49 to get 70. 7x=70 Divide both sides by 7. x= 7 70 Divide 70 by 7 to get 10. x=10
Answer:
2
Step-by-step explanation:
