Respuesta :
Answer:
x=5
Step-by-step explanation
3.18x+2.6+0.9x+x=28
3.18x+0.9x+x+2.6=28
5.08x+2.6=28
5.08x+2.6-2.6=28-2.6
5.08x=25.4
x=5
hope it helps
Answer:
X=5
3.18x +2.6 +0.9x +x= 28
add all the Xs
3.18x+0.9x+1x=5.08
5.08x+2.6 =28
-2.6. -2.6
5.08x= 25.4
5.08÷5.08 =x
25.4÷5.08=5
x=5
