What's this I am looking at
Multiply bottom equation by -3 to add and eliminate y’s.
So...
5x-15y=10
+-9x+15y=18
You get -4x=28 so x=-7
Plug in to get y
5(-7)-15y=10
-35-15y=10
-15y=45
So y=-3
Check in other equation
3(-7)-5(-3)=
-21+15=-6
So x= -7 and y= -3
Answer:
see the explanation
Step-by-step explanation:
we have

decompose the number 224 in prime factors

substitute

Simplify

9.625 cups of sugar. just times 1.75(1 3/4) by 5.5 so that's gonna give you an answer of 9.625 cups of sugar
Answer:
Step-by-step explanation:
1) First step is writing the Equation out clearly
be - 9c - a
2) Substituting the given values ; a,b & C
3) -5e + 9(-2/3) - (-1)
4) -5e-5 (answer)
Since we were not given the value for e