-3x+9y=-57 for x=4
-3(4)+9y=-57
Simplify both sides of the equation
(-3)(4)+9y=-57
-12+9y=-57
9y-12=-57
Add 12 to both sides
9y-12+12=-57+12
9y=-45
Divide both sides by 9
9y/9=-45/9
y=-5
I hope that's help !
Answer:
(a^2)+4a-5
Step-by-step explanation:
(3+a+2)(a+2-3)
(a+5)(a-1)
use FOIL or box method
5a-5+(a^2)-a simplifyes to
.6
have a nice day
does the answer help you.
The correct answer is B. 4/5. Hope this helps! : )
between 55 to 79 percent