Respuesta :
Answer:
a=5/7
Step-by-step explanation:
1. Calculate 5=(4+3)a ---- 5=7a
2. 5=7a --- 7a=5
3. Dvidie both sides 7a=5--- a=5/7
Answer:
a=5/7
Step-by-step explanation:
1. Calculate 5=(4+3)a ---- 5=7a
2. 5=7a --- 7a=5
3. Dvidie both sides 7a=5--- a=5/7