Answer:
x =
Step-by-step explanation:
Given
+ = 5 ← combine terms on left side
= 5 ( multiply both sides by x )
8 = 5x ( divide both sides by 5 )
= x
Answer:
x= -19.2
Step-by-step explanation:
Ratios can be rewritten as fractions
x+8=7x/12
12(x+8)=7x
12x+96=7x
-5x=96
x= -19.2
Answer:
(sqrt(x) +1)(sqrt(x)-2)
Step-by-step explanation:
Note: Consider 84 instead of 83 because the value of x is a decimal value of 83 which is not possible.
Given:
Compound ratio of 7:5 and 8:x is 84:60.
To find:
The value of x.
Solution:
Compound ratio of 7:5 and 8:x is 84:60.
By cross multiplication, we get
Divide both sides by 1420.
Therefore, the value of x is 8.