Q74 of 110 Page 242

If find the value of x.

According to the question,



Using cross multiplication we get,


⇒ -5 × 28 = 7 × x


⇒ 7 × x = -5 × 28


⇒ x =


⇒ x = -5 × 4


⇒ x = -20


Hence, the value of x = -20.


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