Question

1) resolva as equações

a)5×+3x=16

b)x+x+8=54

c)7x-2-5x=18

d)12×-10x-4=3

e)-x-2x-4=11

f)8x=5x+4,5

Answer 1

a) 8x = 16
x = 2

b) 2x = 46
x = 23

c) 2x = 20
x = 10

d) 2x = 7
x = 7/2

e) -3x = 15
x = -5

f) 3x = 4,5
x = 1,5