Respuesta :

tonb

Answer:

a = 3

Step-by-step explanation:

Fill in the given values:

a*5-2*7 = 1 =>

5a = 1 + 14

a = 15/5 = 3

adopted69

Answer:

a=3

Step-by-step explanation:

First, you replace the variables x and y in the equation with their respectful values, making the equation 5a-2(7)=1.

Then, you simplify the -2(7), which equals 14, making the equation 5a-14=1.

Then, you add 14 from both sides, making the equation 5a=15.

Finally, you divide both sides by 5, making the answer a=3.

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