Who's Weggy?
2x + 3y = 40
-2x + 2y = 20
These are set up so we can just add them for the solution:
5y = 60
y = 12
2y-20=2x
x=y-10=2
Answer: x=2, y=12
Answer:

Step-by-step explanation:
The slope-intercept form of an equation of a line:

m - slope
b - y-intercept

Answer:
y=-2x + 3
Step-by-step explanation:
Answer:
-6 is the same as Subtracting 6, C.
Hope this helps!
Step-by-step explanation:
For example,
5 - 6
5 is positive, +5
and 6 is negative, -6
Answer:
a)7 cakes=£5.6
b)£2=4 drinks
c)£7.7
Step-by-step explanation:
a)5cakes=£4
1 cake=4/5=£0.8
7 cakes=£5.6
b)1 cake=3/6=£0.5
£2=4 drinks
c)(0.8×4)+(0.5×7)=£7.7