Question

2x=-7
3x+2=2x-11
x+4.(x-1)=9-2.(x+3)

Answer 1

a)
$2x = (-7)$
$x = \frac {- 7}{2}$

b)
$3x + 2 = 2x - 11$
$3x - 2x = - 11 - 2$
$x = - 13$

c)
$x + 4(x - 1) = 9 - 2(x + 3)$
$x + 4x - 4 = 9 - 2x - 6$
$5x - 4 = 3 - 2x$
$5x + 2x = 3 + 4$
$7x = 7$
$x = \frac{7}{7}$
$x = 1$