Answer:
A
Step-by-step explanation:
Answer:
0.21
Step-by-step explanation:
The given expression is :

We need to solve it.
We know that,

So,

or

So, the value of the given expression is equal to 0.21.
Answer:
6
Step-by-step explanation:
4x-12 = x+7
4x-12+12 = x+7+12
4x = x+19
4x-x = x+19-x
3x=19
x = 6
And if we substitute the value of x into the equation 4x-12 = x+7,
we will get 13
= 13
in the end.
Hope this helps :)
Answer:10
Step-by-step explanation: