Comments

• combine like terms first. -4a+3-5a=12-21 -9a+3= -9 add -3 to both sides -9a+3-3= -9-3 -9a= -12 divide by -9 on both sides a=12/9 or 4/3

  in How do you do this problem ? Comment by txmama423 June 2021
• combine like terms first. -4a+3-5a=12-21 -9a+3= -9 add -3 to both sides -9a+3-3= -9-3 -9a= -12 divide by -9 on both sides a=12/9 or 4/3

  in How do you do this problem ? Comment by txmama423 June 2021
• combine like terms first. -4a+3-5a=12-21 -9a+3= -9 add -3 to both sides -9a+3-3= -9-3 -9a= -12 divide by -9 on both sides a=12/9 or 4/3

  in How do you do this problem ? Comment by txmama423 May 2021