Question

A)2× + 3 = 9 B)2x + 3 =9 C) 5× +10 = 25 D) 4× + 3 = 2× + 11 E)8× - 4 = 60

Answer 1

Resposta:

a) 2x+3=9

2x=9-3

2x=6

x=6/2

x= 3

b) é a mesma que a anterior

c) 5x+10=25

5x=25-10

5x=15

x=15/5

x= 3

d) 4x+3=2x+11

4x-2x=11-3

2x=8

x=8/2

x= 4

e) 8x-4=60

8x=60-4

8x=56

x=56/8

x= 7

Answer 2

Resposta:

A)2× + 3 = 9

2x=9-3

2×=6

×=6/2

×=3

B)2x + 3 =9

2×=6

×=3

C) 5× +10 = 25

5×=25-10

5×=15

×=15/5

×=3

D) 4× + 3 = 2× + 11

4×-2×=11-3

2×=8

×=8/2

×=4

E)8× - 4 = 60

8×=60+4

8×=64

×=64/8

×=8