Question

Resolva as seguintes equações sendo x incógnita A) 5x+5= 2x+15 B) 10x-20= 5x+10

Answer 1

A )


5x + 5 = 2x + 15

5x - 2x = 15 - 5

3x = 10

X = 10/3




B )


10x - 20 = 5x + 10

10x - 5x = 10 + 20

5x = 30

X = 30/5

X = 6