Question

{10(8-a+a)+a}-{10a+(8-a)}=18
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Answer 1

Answer:

27/4

Step-by-step explanation:

{10(8-a+a)+a}-{10a+(8-a)}=18

=>{10(8)+a}-(10a+8-a)=18

=>(80+a)-(9a+8)=18

=>(80+a-9a-8)=18

=>(72-8a)=18

=>72-18=8a

=>54=8a

=>a=54/8=27/4