Respuesta :
Answer:
3
Step-by-step explanation:
5(x) + 6 = 2(x) + 15
5(3) + 6 = 2(3) + 15
15 + 6 = 6 + 15
21 = 21
Answer:
yes answer is 3
Step-by-step explanation:
can also be done:
5x + 6 = 2x + 15
3x + 6 = 15 (take 2x)
3x = 9 (take 6)
x = 3 (divide by 3)