Step-by-step explanation:
The equation that Kaitlyn solved is as follows :
-5.4+x=12.2
The steps to solve it as follows :
Step 1. Add 5.4 to both sides,
-5.4+x+5.4=12.2+5.4
Step 2. 5.4 will cancel out as both have opposite signs
x=17.6
But Kaitlyn solved it as :
5.4.x=6.8
She has multiplied -5.4 and x which is wrong. The correct answer is 17.6.
Answer:
32
x=20
x=20 because (4x+3)=77 so you take out of parnetheses
$6.15 for 1 pizza.
The answer is 6.15 because 36.90 divided by 6 is 6.15.
P.S Can I have brainliest?