Question

verify by substitution that the root of 3+2x=9is X=3​

Answer 1

Answer: x = 3  is root

Step-by-step explanation:

3 + 2 x = 9

Given,

x = 3

LHS = 3+ 2 ( 3 ) = 9

RHS = 9

LHS=RHS

∴ x = 3  is root

Answer 2

Answer:

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Step by step explanation.

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Que: 3+2x=9

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Ans; =2x=9-3

. =2x= 6

. = x= 6÷2

. = x= 3

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. Hope you help this answer.............