Answer:
-2x +4 = 20
Step-by-step explanation:
given
[tex] - 2x + 4 = 20[/tex]
by making x the subject, you need to subtract 4 from 20
thus
[tex] - 2x = 20 - 4[/tex]
[tex] - 2x = 16[/tex]
and also you need to divide through by -2
[tex] \frac{ - 2x}{2} = \frac{16}{ - 2} [/tex]
[tex]x = - 8[/tex]
