Respuesta :
Answer:
x=12
Step-by-step explanation:
1.) 3x+45=81
2.) 3x+45-45=81-45
3.) 3x=36
4.) 36/3
5.)x=12
*On step 2 you subtract 45 on each side if it wasnt clear.
Answer:
x=12
Step-by-step explanation:
1.) 3x+45=81
2.) 3x+45-45=81-45
3.) 3x=36
4.) 36/3
5.)x=12
*On step 2 you subtract 45 on each side if it wasnt clear.