3x+4y=5
2x+3y=
-2(3x+4y)=5(-2)
3(2x+3y)=4(3)
-6x-8y=(-10)
6x+9y=12
Add the equations
-6x-8y=(-10)
+ 6x+9y=12
-----------------
0x+y=2
y=2
Substitue y into an equation
6x+9(2)=12
6x+18=12
6x=-6
x = -1
y = 2
Answer:
A.
Step-by-step explanation:
it's A because it's the only one with a negative 5 that equals negative 10.
Answer:
x= 4,-4
Step-by-step explanation:
IF your equation looks like this :
![\sqrt[3]{x^2-8}=2](https://tex.z-dn.net/?f=%5Csqrt%5B3%5D%7Bx%5E2-8%7D%3D2)
5/20 = 1/4. All the rest of the fractions reduce to 1/5.
All I did was guess and check. I started with the 30s because their sum would be nine and there might be a one to carry to make it 10. After many tries (well, not many, I'm just being dramatic) I got 35, 36, and 37. Hope I helped.
