<span>x + 3y= -11 (1)
</span><span>-9y = 33 + 3x ---->3x + 9y = -33 (2)
divide (2) equation by 2
</span>3x + 9y = -33
x + 3y = -11 (2')
and equation (1) is also x + 3y= -11 (1)
so
x + 3y= -11 (1)
x + 3y= -11 (2')
---------------------subtract
0 = 0
answer:
infinitely many solutions
<span>
</span>
X= -10.3
Y= 14.3
Point form: (-10.3, 14.3)
740,679,835 = 7.40679835 × 10^8 ≈ 7.4 × 10^8
