Answer:
x= -12 and y=8
Step-by-step explanation:
Let's solve your system by substitution.
−x−y=4;x+2y=4
Step: Solve−x−y=4for x:
−x−y=4
−x−y+y=4+y(Add y to both sides)
−x=y+4
−x
−1
=
y+4
−1
(Divide both sides by -1)
x=−y−4
Step: Substitute−y−4forxinx+2y=4:
x+2y=4
−y−4+2y=4
y−4=4(Simplify both sides of the equation)
y−4+4=4+4(Add 4 to both sides)
y=8
Step: Substitute8foryinx=−y−4:
x=−y−4
x=−8−4
x=−12(Simplify both sides of the equation)
Answer:
x=−12 and y=8
Answer:
-4
Step-by-step explanation: if the signs are different subtract the values and take the sign of the larger number!
- - - - - -
+ +
Answer:
20.50
Step-by-step explanation:
<u>9/4</u> as a decimal is <u>2.25</u>. an you need to find the ice cream Cassie used the way Would say is multiply <u>2.25</u> by 9 and you get <u>20.5</u>. I hope this helps
Answer:
13
Step-by-step explanation:
the equation is
33 = 3x-28+3x-30+x
33=7x-28-30
33=7x-58
+58 +58
91=7x
x=13
DE=13
