To isolate the variable means to have it by itself on one side of the equation, where the variable equals an expression.
To isolate
, we will need to remove the variables and other terms "connected" to the
variable:



By dividing terms "connected" to our
variable, we have isolated it one side of the equation.
Answer:
The solution of the given equations are (3,2).
Step-by-step explanation:
Given equations are :
3d−e=7 ...(1)
d+e=5 ...(2)
Add equations (1) and (2) we get :
3d-e+d+e=7+5
4d = 12
d = 3
Put the value of d in equation (2).
3+e=5
e = 2
So, the value of d = 3 and e = 2. Solution of the given equations are (3,2).
The answer is A, the economy was largely based on agriculture.
Answer:
answer is 6.3
Step-by-step explanation:
there is no way to get 6.80 from 2.25*2.80 because its answer is 6.3