Question

30 + 40 = 10 a - 20 + 20​

Answer 1

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$30 + 40 = 10 a - 20 + 20$

$70 = 10a$

$\frac{70}{10} = a$

$a = 7$

Answer 2

Answer:

If 30 + 40 = 10 a - 20 + 20​ then a = 7.

Step-by-step explanation:

Solve by step by step.

30 + 40 = 10 a - 20 + 20​

30 + 40 = 10 a

10a = 70

a = 70÷10

a = 7

So, the value of a is7.