Question

x2-100=6
7x-10=x+9
rezolva ecuatiile

Answer 1

a)x+7=119

x=119-7=112

b)7x-10=x+9

7x=x+9+10

7x=x+19

7x-x=19

6x=19

$x = \frac{19}{6}$

c)x²-100=6

x²=6+100=106

x=±$\sqrt{106}$