Question

If 3x + 7 = x2+M = 7x+5, what is the
value of 120% of M?
(a) 8.90
(b) 9.90
(c) 9.98
these
(d) None
of​

Answer 1

Answer:

None of these

Step-by-step explanation:

3x+7=7x+5

4x=2

x=1/2

Substitute value of x in equation 2 and 3 or 1 and 2

1/2*2+M= 7/2+5

1+M=17/2

M=15/2

120/100*15/2=9