Answer:
450 cm^3
Step-by-step explanation:
( 1/2 (5+7.5) 6 ) 12
70
22 1111111 /5000000
x = - 8
3x - 2y = 18 is the same as 3x - (2x - 13 times 2) = 18
Then I used an algebra site for the rest.
It should be x = - 8
.................................................
