Question

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Answer 1

Answer:

1. x=35÷5=7. 5(7)=35. 35=35, hence verified.
2. 7x=(-280) x= -280÷7=-40. 7(-40)+280=0. -280+280=0, hence verified.

Step-by-step explanation:

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Answer 2

Answer:

(i) 5x = 35

x = 35/5

x = 7

Verification :-

5 × (7) = 35

35 = 35

LHS = RHS

(ii) 7x + 280 = 0

7x = -280

x = -280/7

x = -40

Verification:-

7 × (-40) + 280 = 0

-280 + 280 = 0

0 = 0