Question

resolva as equações a) 2x+5=21 b) 2(x+3)-4=X c)x/6=6/2= d) x+x+x=189 preciso urgentemente

Answer 1

a)

2x = 21 -5

x = 16/2

x = 8

b)

2x +6 -4 = x

x = -2

c)

x/6 = 6/3

x = 6 * 2

x = 12

d)

3x = 189

x = (189)/3

x = 63