Question

a)x-3=9
b)4x-9=1-2×
c)x+5=20-4x
d)9x-4×+10=7×-30​

Answer 1

a) x-3=9

x=9+3

x=12

b)4x-9=1-2x

4x+2x=1+9

6x=10

x=10/6

c)x+5=20-4x

x+4x=20-5

5x=15

x=15÷5

x=3

d)9x-4x+10=7x-30

9x-4x-7x= -30-10

-2x= -40 (-1)

2x=40

x=40÷2

x=20

espero ter ajudado :)