Question

solve the following equation by trial and error method( 1) x+7 =10( 2) x/8 =9 (I'm in 7th Std so please help me according to my class Thank you)

Answer 1

Answer:

1) x+7=10

x=10-0=10

x=10-9=1

x=10-8=2

x=10-7=3

answer is( 3)

2)x/8=9

x=8*1=8

x=8*2=16

x=8*3=24

x=8*4=32

x=8*5=40

x=8*6=48

x=8*7=56

x=8*8=64

x=8*9=72

answer is (72)