Question

verify by substitution that the root of 3 x minus 5 is equal 7 is X equal 4​

Answer 1

Step-by-step explanation:

x=4

3x-5 =7. subsitute the value of x in this equation

3(4)-5=7

12-5=7

7=7

LHS =RHS

hence proved

Answer 2

answer is 9

2 multiply by 3 is 6

6+3 is 9