Question

x=4 is root of which of the following equations:
a) 3x+5=-7 b) 3x+4=21 c) 3x+4=16 d) 3x-9=5

Answer 1

Step-by-step explanation:

x=4 is the root of the equation 3x+4=16

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Answer 2

c)3x+4=16

as

3×4+4

=12+4

=16