Answer:
19
Step-by-step explanation:
by replacing x and y with their given values ,
we get :-
=》2x + 7y - 10
=》(2 × 4) + (7 × 3) - 10
=》8 + 21 - 10
=》29 - 10
=》19
5/9 of chocolate is left because first
You must get like denominator and then subtract, as well as simplify
Answer:

Step-by-step explanation:

So for a movement along the x-axis left to right by 2 the y-axis drops by 1
This the equation at this point is =

-
Pick any of the two points (x,y) . let's choose ( 8 , -2 )

SO ..

So, 5 x (-3) + 7 = -15 + 7 = - 8 , but not 4;
Then, -3 is not a solution to 5x + 7 = 4;