Respuesta :

Answer:

7

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

5(a−1)=30

(5)(a)+(5)(−1)=30 (Distribute)

5a+−5=30

5a−5=30

Step 2: Add 5 to both sides.

5a−5+5=30+5

5a=35

Step 3: Divide both sides by 5.

a=7

Otras preguntas