Answer:
Step-by-step explanation:
A straight line adds up to 180 degrees, therefore 3x+6x = 180
9x = 180
x = 20
A) 2x-7=13
2x=20
x=10
B) 3x+4=25
3x=21
x=7
Answer:
Th number of pages is 33
Step-by-step explanation:
The ratio of the number of pages of text shown in the illustration is 3:2. This implies that for every 2 pages of illustrations, there are 3 pages of text. Therefore, for 22 pages of illustration we shall have;
2 page of illustration = 3 page of text
Then
22 page of illustration = x pages of text
Then by Cross multiplication


x =
x = 33
Answer:
There's 2 solution, x= -1 and x= 2
Step-by-step explanation:
Answer:
use photomath
Step-by-step explanation:
it works