85 solve the following_cquatics and
verify your results
al 15 - 7x=9
vect
A-4 Note Book
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Step-by-step explanation:
given :- 15/4 - 7x = 9
➡ -7x = 9 - 15/4
LCM of 1 and 4 = 1 × 4 = 4
LHS :- (9 × 4)/(1 × 4) - 15/4
= 36/4 - 15/4
= 21/4
➡ -7x = 21/4
➡ -x = 21/4 × 1/7
➡ -x = 3/4
➡ x = -3/4
VERIFICATION :-
RHS -
= 15/4 - 7(-3/4)
= 15/4 + 21/4
= 36/4
= 9
hence verified.
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