Question

please answer 6 question 1st and 2nd part of class 7th​

Answer 1

Answer:

part 1)

= x+7+4(x-5)

= x +7+4x-20

=5x-13

if x = 2, then,

5x-13=5×2-13

=10-13

= -3

part 2) full question is not visible only 3(x+2) is visible, so,

3(x+2) = 3x+6

if x =2,then,

3x+6=3×2+6

=6+6

=12