Question

the value of a that satisfies the equation 10a-21=13-7a is​

Answer 1

Answer:

a=2

Step-by-step explanation:

10a-21=13-7a

taking -7a to LHS and -21 to RHS             LHS=left hand side

WE GET,                                                     RHS=right hand side

10a+7a=13+21

17a=34

a=2