Question

Determine as raízes das equações:

a) 3/4x=9
b) 1/3x=27
c) 2/5 x=100
d) 3/8x=72
e) 6/4x=15
f) 2/8x=36
g) 1/7x=49

Obs. Preciso dos cálculos! é pra hoje me ajudem por favor! ❤

Answer 1

a) 3/4x=9
3x=9*4
3x=36
x=12

b) 1/3x=27
1x=81
x=81

c)2/5x=100
2x=500
x=250

d) 3/8x=72
3x= 576
x= 192

e) 6/4x=15
6x=60
x=10

f) 2/8x=36
2x= 288
x=144

g) 1/7x=49
1x= 343
x=343

Answer 2

a)4x=9.3
4x=27
x=27/4

b)3x=27.1
3x=27
x=27/3
x=9

c)5x=100.2
5x=200
x=200/5
x=40


d)8x=72.3
8x=216
x=216/8
x=27

e)4x=15.6
4x=90
x=90/4


f)8x=36.2
8x=72
x=72/8
x=9

g)7x=49.1
7x=49
x=49/4
x=7