step by step btado brainlist answer karduga
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3
Answer:
7x+6(x-3)
= 7x+6x-18
= 13x-18
= (13×3)-18 [x=3]
= 39-18
= 21
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Answered by
3
(iii) 7x + 6(x-3) ; x =3
=> 7 × 3 + 6(3-3)
=> 21 + 6 × 0
=> 21 + 0
=> 21
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