Question

Encontre o valor de x
a)5 (x-3)=3(x-20)

Answer 1

aplique distributiva ;

5x-15= 3x-60

5x-3x= -60+15

2x= -45

x= -45/2

Answer 2

X-3-20= -23 5.3= 15 X= -23+15 X= -7