Question

7 + 2 (a + 1) = 5a + 3a​

Answer 1

Step-by-step explanation:

7+2(a+1)=5a+3a

= 7+2a+2=5a+3a

= 9+2a=5a+3a

= 5a+3a-2a= -9

= 6a= -9

= a= -9/6=-3/2(ans.)..

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Answer 2

QUESTION

7+2 (a+1)=5a+3a

Step-by-step explanation:

7+2a+2=8a

9+2a=8a

subtract 2a on both sides

then we get 9 = 6a

a=9/6

which is equal to 3/2

hope it will help you.