Use photo math for these types of questions
What is the image of (3,7) after a reflection over the line y= -x? ... (-2,2) is just (3-5,7-5) Just subtract 5 from each coordinate.
Answer: Look at the photo. :)
Answer:
1. x=25
2.x=17/2
3.x=20
4.x=6
Step-by-step explanation:
1.x-23=2
x=2+23
x=25
2.
x+1/2=9
x=9-1/2
(have to make the denominators same)
x= 18/2 - 1/2
x=17/2
3.
x/10=2
x=2 × 10
x=20
4.
2x=12
x=12/2
x=6