Question

resolva as equaçoes;
a)x/3=7
b)x/4=-3
c)2x/5=4

Answer 1

X/3=7
X=7.3=21

X=-3.4
X=-12

2X/5=4
2X=5.4
2X=20
X=20/2
X=10

Answer 2

a)
x = 7
3

x = 3.7
x = 21
-------------------------
b)
x = - 3
4

x = 4.(-3)
x = - 12
----------------------
c)
2x = 4
 5

2x = 5.4
2x = 20
x = 20/2
x = 10