Question

A 2×(3×+5)=22 ,e B 4(×-5)=20,e C 5(3×=10×+30​

Answer 1

Olá

a) 2 × (3x+5) = 22

6x + 10 = 22

6x = 22 - 10

6x = 12

x = 12/6

x = 2

b) 4(x - 5) = 20

4x - 20 = 20

4x = 20 + 20

4x = 40

x = 40/4

x = 10

c) 5 (3x) = 10x + 30

15x = 10x + 30

15 x - 10x = 30

5x = 30

x = 30/5

x = 6