Question

a.) 2 x-1+2(3x + 2)
b) 2(x + 3) - 1-2x + 5
c)2(x + 5) = -1
d) 2x - 3 = 5​

Answer 1

Respuesta:

d)

$2x - 3 = 5 \\ 2x = 5 + 3 \\ 2x = 8\\ x = 8 \div 2 \\ x = 4$

c)

$2(x - 3) = 5 \\ 2x - 6 = 5 \\ 2x = 5 + 6 \\ 2x = 11 \\ x = 11 \div 2 \\ x = 5.5$