Answer:
WhaT do you need help with
Step-by-step explanation:
Answer:
Yes, it is a solution
Step-by-step explanation:
9x+7y=-11
-2x-5y=30
substitute 5 for x and -8 for y and test:
9(5)+7(-8)=-11
45-56=-11 , this is true
-2(5)-5(-8)=30
-10+40=30 , this is true also
Answer:
The first one is 5.83 or -5 5/6
The second one is -414 1/3
The last one is 290
Graph and general equation of straight line annotated on photo