Question

a)350X-500=100X+750
b)X+5,41=3,87
c)3,5X+8=2(X+7)

ME AJUDEM É URGENTEE

Answer 1

(a) 350x - 500 = 100x + 750
350x - 100x = 750 + 500
250x = 1250
x = 1250/250
x = 5

(b) x + 5,41 = 3,87
x = 3,87 - 5,41
x = -1,54

(c) 3,5x + 8 = 2(x + 7)
3,5x + 8 = 2x + 14
3,5x - 2x = 14 - 8
1,5x = 6
x = 6/1,5
x = 4

Espero ter ajudado.
Bons estudos! :)