Answer :
Step-by-step explanation:
The expression is 7x-2y-1.
If x=3, then you multiply 3 and 7.
7x3=21.
21-2y-1
If y=4, then you multiply 4 and 2.
4x2=8.
21-8-1
Then you combine like terms.
21-9
So the answer is 11.
Hope it helps!
Step-by-step explanation:
The expression is 7x-2y-1.
If x=3, then you multiply 3 and 7.
7x3=21.
21-2y-1
If y=4, then you multiply 4 and 2.
4x2=8.
21-8-1
Then you combine like terms.
21-9
So the answer is 11.
Hope it helps!