{10(7 - a) + a} — {10a + (7 - a)} = 27.
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9
Solve :-
10(7 - a) + a} — {10a + (7 - a)} = 27
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Answered by
1
Answer:
a=2
Step-by-step explanation:
{10(7-a)+a}-{10a+(7-a)}=27
{70-10a+a}-{10a+7-a}=27
(70-9a)-(9a+7)=27
70-9a-9a-7=27
70-18a-7=27
63-18a=27
-18a=27-63
a= -36/-18
a= 2
hope this will help you...
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