Answer:
x=3.5
Step-by-step explanation:
1. Multiply
18x-12=5x+30
2. Move the x's to one side
12x= 42
3. Isolate the variable by dividing
x=3.5
Answer:
33
Step-by-step explanation:
Add all the numbers
Divide by 9
Answer:
27.7% of third year girls study biology
1 x14=14 * what times one is one*
2 x7=14
- 5x - 4x + 24 = - 3
9x = 27
x = 3