Answer:
StartFraction 1.55 over 1 EndFraction = StartFraction x over 3.5 EndFraction
Step-by-step explanation:

Answer:
x = 4
Step-by-step explanation:
3 + x = 7 ( isolate x by subtracting 3 from both sides )
x = 7 - 3 = 4
Answer:
cant see from the light retake the photo
Step-by-step explanation:
2x = 7 + 3
2x = 10
x = 10/2
x = 5
S: {5}
Answer:
X= 3 or x=-17
Step-by-step explanation:
1. Simplify both sides of the equation
2. Subtract 4X to the second power +56X +192 from both sides
3. Factors the left side of the equation
4. Set factors equal to zero