Question

resolva as equações:
a) 5x + 3x =16
b)x + x + 8 = 54
(PASSO A PASSO) URGENTE!!!!

Answer 1

5x + 3x = 16
8x = 16
x= $\frac{16}{8}$
x= 2

x+x+8=54
2x + 8 = 54
2x = 54 - 8
2x = 46
x= $\frac{46}{2}$
x= 23