Multiply 3x +y =23 by -4
x+4y=4
-12x+(-4y)=-92
Add together
-11x = -88
x = 8
Plug x in to find y.
8 + 4y = 4
Subtract 8 from each sides
4y = -4
Divide by 4
y = -1
So the answer is x =8, y= -1
I hope that helps!
Answer:
A. 3x-7y and -7y+3x
Step-by-step explanation:
Let x=1, y=2
3(1)-7(2)
3-14
-11
-7(2)+3(1)
-14+3
-11
Answer:
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Step-by-step explanation:
- vvehhwala ako masabi na ang panget mo
It is c = 48b.
2 x 48 = 96
4 x 48 = 192
9 x 48 = 432
You can just add the terms:
<span>(-x^2+9)+(-3x^2-11x+4) = -4x</span>² - 11x + 13