Question

Na equação 4. (X+3)=20 é..
a) 3
b)14
c)5
d)6
e)23X

Answer 1

$4.(x+3)=20\\4x+12=20\\4x=20-12\\4x=8\\x= \frac{8}{4} =2$

Answer 2

4.x + 4.3 = 20
4x + 12 = 20
4x = 8
x= 8/4
tecnicamente x seria = 2...