Answer:
-210
Step-by-step explanation:
Hi hi I hope you know that I was wondering if you wanna was a way you can get me to
Answer:
-94.5
Step-by-step explanation:
7.5 less 102 is equivalent to the negative of 102 less 7.5: -(102 - 7.5) = -94.5.
It is not strictly necessary to reverse the order of the numbers as shown above, but 102 - 7.5 is more famliar (and thus easier to deal with) than
7.5 - 102.
Answer:
y=-2 8/9
x=31 1/2
Step-by-step explanation:
x-4y=15 --> x=4y+15
8x-5y=42
8(4y+15)-5y = 42
32y +120 - 5y = 42
27y = -78
y=-2 8/9
x=31 1/2
I use those variables in the second xy+z and i got this
<span><span>−<span><span>12<span>x^2</span></span>z</span></span>+<span><span>12y</span>z</span></span>+<span>4</span>
