Question

3. Verify by substitution that
(i) the root of 3x - 5 = 7 is x = 4​

Answer 1

Answer:

Verified below.

Step-by-step explanation:

Given, x=4

Substituting x for 4,

LHS RHS

3(4)-5. 7

12-5.

7

LHS=RHS.

Hence, verified.

Hope this helps.

Answer 2

Answer:

3x-5=7

x=4

3 (4)-5=7

12-5=7

7=7

L.H.S=R.H.S

hope it helps you..

Thankyou...