Question

1- Sendo U = Q,resolva as equações:

A) x2 + 2x/3 + x/4 = 13

B) 3(x + 3)/4 - 5x+16/7 = 0

AJUDEM POR FAVORZINHO!!!!!!!

Answer 1

letra a..  ×·2+2×/3+×/4=13

2×+2×/3+×/4=13

24×+8×+3×=156

35×=156

×=156/35

B} 3[×+3]4-5×+ 16/7=0

12[×+3]-5×+16/7=0

12×+36-5×+16/7=0

12×+36-5×+16/7=0

7×+-268/7

×= -268/49

espero que seja util............