Question

g) 2x + 3 = 15
h)7× - 1=13
i) 2× - 4 =3
j) 4× + 2 =18 -​

Answer 1

G) 2x+3=15

2x=15-3

2x= 12

X= 12÷2

X= 6

H) 7x-1=13

7x= 13+1

7x=14

X= 14÷7

X=2

i) 2× - 4 =3

2x=3+4

2x=7

X= 7÷2

X= 3,5

j) 4× + 2 =18

4x=18-2

4x= 16

x= 16÷4

X= 4

(espero ter ajudado <3)