Question

solve the following equation by trial and error method
1.
4p-12=-4

2.-2x+18=12​

Answer 1

Step-by-step explanation:

•4p- 12 = -4

4p=-4+12

4p=8

p=8÷4

p=2

•-2x+18=12

-2x =12-18

-2x=-6

x=-6÷-2

x= 3