Answer:
D :If 4x + 12 ≠ –4, then 3x + 7 ≠ −5.
go on the apps to download it will help you alot with this equation

When you have exercices like this tipe you write the base and add the exponents.the exponents are: 2; -4 and 5 so you put them in a sum:
2+ (-4) + 5=
=2 -4+5=
=7 -4=
=3
Answer:
Step-by-step explanation:
Let's solve for a.
ax+3=6
Step 1: Add -3 to both sides.
ax+3+−3=6+−3
ax=3
Step 2: Divide both sides by x.
ax
/x
=
3
/x
a=
3
/x
Answer:
a=
3
/x