Question

a) 5x-1=3×+11

b) 2x+8=x+13

Answer 1

a) 5x - 1 = 3x + 11.

5x - 3x = 11 + 1.

2x = 12.

x = 12/2 = 6.

b) 2x + 8 = x + 13.

2x - x = 13 - 8.

x = 5.

Answer 2

Resposta:

a) $x=6$

b) $x=5$

Explicação passo-a-passo:

a)

$5x-1=3x+11\\\\5x-3x=11+1\\\\2x=12\\\\x=12/2\\\\x=6$

b)

$2x+8=x+13\\\\2x-x=13-8\\\\x=5$