Answer:
I think it is 10.
Step-by-step explanation:
Area of a square = Side × Side
Side = 7x-3
Area of the square = (7x-3) × (7x-3)
= 7x(7x-3) -3(7x-3)
= 49x^2 -21x -21x +9
=49x^2 -42x +9
Answer:
21
Step-by-step explanation:
put 21 were x is and then divide 21÷7=3
Half of 96 is 48 and they won twice as many as they lost.. how can this math problem be real XD
