Answer:
rectangle
Step-by-step explanation:
it's width is 6
it's length is 12
it couldn't be a square
The second one is the correct answer. Plug in -3 into the equation.
Answer:
45x
Step-by-step explanation:
Just expand and coolect to get 9x5=45 and add x
The value of 7 in that number is 7 because the 7 is in the ones place
Because you can't solve for two variables at once, you can guess and trial/error.
You can also give x or y any value, and then solve for the opposite variable.
x = 0
y = -36
for example. There are more solutions.
y + 8 = -4(x+7)
-36 + 8 = -4(0+7)
-28 = 0 - 28
-28 = -28
