Question

b) 2x = -2
d) x-3(4 - x) = 7x-(1-x)​

Answer 1

oi,

b)

2x = -2

x = -2 ÷ 2

x = -1

d)

x - 3 (4 - x) = 7x - (1 - x)

x - 12 - 3x = 7x - 1 + x

- 2x - 12 = 8x - 1

- 2x - 8x = 12 - 1

- 10x = 11

x = - 11 ÷ 10

x = -1,1