Step: Solvey=2x+13for y:
y=2x+13
Step: Substitute2x+13foryinx−y=4:
x−y=4
x−(2x+13)=4
−x−13=4(Simplify both sides of the equation)
−x−13+13=4+13(Add 13 to both sides)
−x=17
−x−1=17−1(Divide both sides by -1)
x=−17
Step: Substitute−17forxiny=2x+13:
y=2x+13
y=(2)(−17)+13
y=−21(Simplify both sides of the equation)
D (Bottom Circle)
(-17,-21)
Answer:
x = 5, y = 4
Step-by-step explanation:
x + 4y = 21
4x - 16 = y
x + 4(4x - 16) = 21
x + (16x - 64) = 21
(17x - 64) = 21
17x = 85
x = 85/17
x = 5
___________________
x + 4y = 21
5 + 4y = 21
4y + 5 = 21
4y = 16
y = 16/4
y = 4
___________________
Answer:
it can be 5 from my side is that right
<span>3x^2 + 18x + 15 = 0
15 + 18x + 3x2 = 0
3(5 + 6x + x2) = 0
</span>3((5 + x)(1 + x)) = 0
5 + x = 0
5 + -5 + x = 0 + -5
Combine like terms: 5 + -5 = 0
0 + x = 0 + -5
x = 0 + -5
x = -5
<span>--------------------------------------------
1 + x = 0
x=-1
-5,-1 </span>
Answer:
It’s 20
Step-by-step explanation:
