Answer:
x∈R
Step-by-step explanation:
2(3x+4)=6x+8
Use the distributive property to multiply 2 by 3x+4.
6x+8=6x+8
Subtract 6x from both sides.
6x+8−6x=8
Combine 6x and −6x to get 0.
8=8
Compare 8 and 8.
True
This is true for any x.
x∈R
Answer:
18
Step-by-step explanation:
You plug in 2 hours as your x value. You get 4(2) + 10 = 18.
8x - 2y = -8
-5x + 2y = -1
3x = -9
x = -3
Answer:
1. 9x^2-60x+100
6. 225y^2-90y+9
7. q^2-4r^2
9. u^2-25
10. x^3+6x^2+12x+8
2. 144a^2z^2-264abz+121b^2
3. 9b^4-4v^2
4. 8v^3+36^2w+54vw^2+27w^3
5. -16t^2y+64y^3+3362t+6724y
Step-by-step explanation:
There you go
