15-3b=63
subtract 15 from both sides
-3b=48
divide -3 from both sides
b= -16
Answer:
there is not enough context, but to put it into slope form it would be y=x/2 + 5/2
Step-by-step explanation:
add 5 to both sides, then divide both sides by 2
1 quart = 32 ounces
2 x 32 = 64
$6.40 divided by 64 ounces
.10 per ounce
Answer:
Sqrt of 144 is 12
Step-by-step explanation:
Answer:
![\huge\boxed{\sf 5y^2 -4}](https://tex.z-dn.net/?f=%5Chuge%5Cboxed%7B%5Csf%205y%5E2%20-4%7D)
Step-by-step explanation:
![\sf (7y^2 + 3xy -9) - (2y^2+3xy-5)\\\\Resolving \ Parenthesis\\\\7y^2 + 3xy-9 -2y^2 -2xy+5\\\\Combining \ like \ terms\\\\7y^2-2y^2+3xy-3xy-9+5\\\\Adding \ or \ Subtracting\\\\\boxed{\bold{\sf 5y^2-4}}](https://tex.z-dn.net/?f=%5Csf%20%287y%5E2%20%2B%203xy%20-9%29%20-%20%282y%5E2%2B3xy-5%29%5C%5C%5C%5CResolving%20%5C%20Parenthesis%5C%5C%5C%5C7y%5E2%20%2B%203xy-9%20-2y%5E2%20-2xy%2B5%5C%5C%5C%5CCombining%20%5C%20like%20%5C%20terms%5C%5C%5C%5C7y%5E2-2y%5E2%2B3xy-3xy-9%2B5%5C%5C%5C%5CAdding%20%5C%20or%20%5C%20Subtracting%5C%5C%5C%5C%5Cboxed%7B%5Cbold%7B%5Csf%205y%5E2-4%7D%7D)