Question

Can sumbody help meh wit dis plz and ty .I’ll give ya 14 points

Answer 1

Answer:

1. is 5  

2. is -4

3. is -24

Step-by-step explanation:

i dont understand why you didnt just use a calculator but here.

Answer 2

Answer:

Step-by-step explanation:

1) x + 7 = 12

Add the additive inverse of 7  = -7 to both sides

x + 7 - 7 = 12 - 7

x + 0 = 5

x = 5

2) 7a = -28

Divide both sides by 7

7a/7 = -28/7

a = -4

$3)\frac{y}{8}= -3$

Multiply both sides by 8

$\frac{y}8}*8=-3*8\\\\y=-24$