6x +343 :7 ^2 -x=(2^2 +1) :5 +14 + 3x
6x+343:49=(4+1):5+14+3x6x+7=5:5+14+3x6x-3x=1+14-73x=8x=8/3
x es 8 tercios (8/3)
Respuesta:
6X + 343 ÷ 7^2 - X = (2^2+1) ÷5 +14 +3X
6X + 343 ÷ 7^2 - X = (4+1) ÷5 + 14 + 3X
6X + 343 ÷ 49 - X = 5 ÷5 +14 + 3X
6X + 7 - X = 1 +14 3X
5X - 3X +7 = 1 + 14
2X + 7 = 15
2X = 15 - 7
2X = 8
X = 8 ÷2
X = 4
