Respuesta :
Answer:
a = 22.5
Step-by-step explanation:
1.7a+0.3a=45
Add like terms
2a = 45
Divide by 2
2a/2 = 45/2
a = 22.5
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[tex]\maltese[/tex]1.7a+0.3a=45
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- [tex]\bold{1.7a+0.3a=45 }[/tex]
- [tex]\bold{(1.7+0.3)a=45 }[/tex]
- [tex]\bold{ 2a=45 }[/tex]
- [tex]\bold{a=\dfrac{45}{2} }[/tex]
- [tex]\blue{a=22.5 }[/tex]