Question

5x+15=3x+45 qual o valor de de x?

Answer 1

5x + 15 = 3x + 45
5x - 3x = 45 - 15
2x = 30
x = 30/2
x = 15

Answer 2

5x + 15 = 3x + 45
5x - 3x= 45 - 15
2x = 30
x= 30/2
x= 15

R: X = 15

espero ter ajudado :)