Question

the root of 3x – 5 = 7 is x = 4
= 3x-5=7
x=3x=7+5
x=3x = 12
x = 4​

Answer 1

Answer:

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Answer 2

Answer:

Given x = 4 is the root of 3x – 5 = 7 Now, substituting x = 4 in place of ‘x’ in the given equation, we get = 3(4) – 5 = 7 = 12 – 5 = 7 7 = 7 Since, LHS = RHS Hence, x = 4 is the root of 3x – 5 = 7