Question

a) 4× - 11 = 7 - 2×

B ) 3× +1 = 5 + ×​

Answer 1

Explicação passo-a-passo:

a)

4x - 11 = 7 - 2x

4x + 2x = 7 + 11

6x = 18

x = 18/6

x = 3

b)

3x + 1 = 5 + x

3x - x = 5 - 1

2x = 4

x = 4/2

x = 2