Answer: y=2
Step-by-step explanation:
2x+3y=14 - 2x-y=6 = 4y=8
y=2
If you need x, just insert y into the equation and work out x from there
2x-2=6
2x=8
x=4
Answer:
92
Step-by-step explanation:
w=7
x=4
y=8
z=1
8^2 + 2(4) + 3 (7) -1
64 + 2 * 4 + 3 * 7 -1
64 + 8 + 21 - 1
72 + 20
92
Answer:
-9 minus -3
Step-by-step explanation:
-9 - (-3) = -9 + 3 = -6
Subtract and keep the sign of the bigger number.
